White Marlin

Full lateral White Marlin in the fixed black-and-brass museum frame, with rounded first dorsal, pectoral and first anal tips.

Saltwater · Offshore · Atlantic ecology / U.S. Mid-Atlantic field cases
White Marlin / Atlantic White Marlin · 白马林 · Kajikia albida (Poey, 1860)
Evidence edition: 10 October 2026

One-line briefing: Begin in warm offshore water and watch the upper layer, but earn the identification: a familiar marlin silhouette can conceal a different species.[1][5][8][9]

01. The Definitive File — One Fish, Two Kinds of “Biggest”

A long bill, a high dorsal lobe, a fish alongside the boat: the name seems to arrive before the measurements. For White Marlin, that is precisely where the work begins. Its current accepted name is Kajikia albida. The older Tetrapturus albidus in scientific reports refers to the same taxon; Striped Marlin, Kajikia audax, is a different species.[1][2][7]

The passport

Field What this dossier means
Scientific identity Kajikia albida (Poey, 1860); family Istiophoridae.[1]
Familiar names White Marlin; Atlantic White Marlin. The scientific name anchors the regional names in Appendix A.[1][4]
Home water An Atlantic oceanic predator, mainly tropical and subtropical, with warm-season use of temperate waters.[8]
Working geography Atlantic biological context; U.S. Mid-Atlantic recreational practice is the main angling case. Virginia Beach, the Bahamas and the Gulf are identified separately.
Food Fishes and cephalopods; reported prey composition varies between regions and studies.[10]

NOAA’s 2007 review reports adults exceeding 280 cm total length and reaching 82 kg. These are dated biological-summary values, not a fresh measurement of the largest fish alive. The same review describes harvested fish commonly weighing 20–30 kg in its source context. Neither range predicts the size of a fish raised by today’s spread.[10]

A billfish also has more than one legitimate length. Total length includes the bill; lower-jaw fork length, LJFL, runs straight from the tip of the lower jaw to the tail fork. A total-length number and an LJFL number cannot be compared as though the ruler started in the same place.[23]

Official record card

The IGFA public register, read on 10 October 2026, displays the following All-Tackle record:[36]

Record field Official card
Category All-Tackle
Weight 82.5 kg / 181 lb 14 oz
Angler Evandro Coser
Location Vitoria, Brazil
Capture date 8 December 1979
Status Approved
Approval/certification date Not displayed on the card

This is a certified sporting category, distinct from line-class records and a biological size summary. The official 82.5 kg entry also shows why the older review’s rounded 82 kg value must not be treated as a hard biological ceiling. No capture length or approval date is supplied by the displayed card.[10][36]

Age is a less tidy field. NOAA’s review reports a tag-recapture-based statement of at least 18 years, while also describing weaknesses in age determination. That supports a lower-bound longevity observation, not an average lifespan or a settled species maximum. Preliminary otolith ages are likewise not a substitute for a validated age curve.[10][13]

02. Field Identification — The Detail That Can Change the Story

Start with a combination of shape features, rather than the shade of a wet flank:

  • A substantial, elongated upper-jaw bill, rounded in cross-section
  • A tall front lobe of the first dorsal fin, approximately as high as the body is deep
  • Blunt or rounded ends to the first dorsal, first anal and pectoral fins
  • A large, deeply forked tail.[4]

Color helps orient the eye but does not settle identity. Light, the fish’s condition and death can alter what a photograph shows. A caption saying “White Marlin” is not a diagnostic examination.[4][5]

A White Marlin photographed beside a boat; the deck and foam obscure parts of the fish, so this is not an identification voucher.
Reference photograph · unmodified original. Photo: Nugget04, CC BY 2.0, via Wikimedia Commons. The boat and foam partly obscure anatomy; the uploader caption is not diagnostic species verification. No crop or edit made. Source page · CC BY 2.0 license.

Roundscale Spearfish: resist the instant verdict

The difficult comparison is Roundscale Spearfish, Tetrapturus georgii. Official identification material describes a real, persistent confusion problem. White Marlin’s vent is closer to the front insertion of its first anal fin; the ICCAT key describes the distance as generally less than half the height of that fin. Scale shape and the rearward extent of the branchiostegal rays provide additional close-view checks. These details need a proper comparative key, not a guessed color rule.[4][5][6]

A distant breach or a partly submerged fish may conceal the diagnostic features. It is more accurate to leave that encounter uncertain than to force a species label onto an obscured image. Genomic work also separates White and Striped Marlin; Pacific Striped Marlin habitat or tackle therefore cannot be imported simply because both belong to Kajikia.[6][7]

Complete lateral White Marlin on warm parchment with three numbered leaders precisely ending on first dorsal, pectoral and first anal fin tips.
Illustrated macro field characters: 1 rounded first-dorsal tip, 2 blunt pectoral tip, 3 rounded first-anal tip. A lookalike still requires close-view checks; this plate does not show diagnostic scale form, vent spacing or branchiostegal reach.

Identification-plate caption: The overall silhouette starts the identification; the vent-to-anal-fin relationship and other close-view diagnostics distinguish a lookalike. Color alone cannot confirm the species.[4][5]

Anatomy to action

Observed feature Practical consequence
Long bill and an active fish near people Keep the crew’s working space clear. This is a handling precaution, not a claim about a measured injury rate.
Diagnostic underside and head details may be hidden in water Do not turn an incomplete view into a confident record identification.[4][6]
Small, file-like adult teeth Their presence does not establish a particular leader material or pound-test; no tooth-to-leader specification is inferred here.[4]
A billfish intended for release In the cited U.S. Atlantic HMS guidance, release immediately and keep it in the water, including for photographs.[23]

The safest identification photograph is still constrained by the fish’s welfare and the rules. This chapter is not an instruction to lift a fish aboard to expose its underside.

03. Habitat Topology — A Corridor, Not a Reef Address

The useful map is a moving pelagic one. White Marlin occurs across Atlantic tropical and subtropical waters, with seasonal extension into temperate water. A shelf edge, canyon or front can organize water and prey without making the marlin a resident of the bottom structure.[8][16]

The vertical evidence is unusually helpful. Hoolihan and colleagues deployed satellite archival tags on 40 fish; 28 yielded usable records in the western North Atlantic study. Those fish explored 0–387 m and 7.8–30.0°C, yet spent 50.8% of daylight time and 81.6% of nighttime in the upper 20 m. The deepest observation was an excursion within this sample, not a normal recreational fishing depth.[9]

Their horizontal movements were not one synchronized circuit. Fish released off Maryland and North Carolina showed southward fall movements; the Aruba releases remained within the Caribbean basin during observation. A line drawn between release and tag endpoint is also an estimate of movement, not the fish’s complete route.[9]

Different chapters of a life

Spring larval records from the Florida Straits and near Punta Cana, together with other western Atlantic evidence reviewed by NOAA, support recent reproduction in particular places and periods. They do not define a proven nursery boundary. Juvenile/adult length bins in fisheries documents are management or study definitions; they do not reveal an individual fish’s age.[10][11]

Temperature records similarly describe what tagged fish encountered. They are not experimentally established lethal limits, a universal comfort interval or a guaranteed bite window.[9]

A three-zone water-column worksheet

Zone Evidence and fish state Presentation or search implication Abandon or reset when
Warm surface layer / upper 20 m Strong upper-layer use in the tagged sample; regional boats search forage and surface-water features.[9][16] The Mid-Atlantic ballyhoo/teaser spread works in the surface-water search space described by those practitioners.[16][17] The spread no longer runs as intended, or water features lack accompanying forage or fish response. This is a search decision, not proof of absence.
Mixed layer / thermocline transition Depth and temperature use vary; tagged fish do not remain at one universal depth.[9] Use actual conditions and bait observations to choose the boat’s search path; a sonar mark alone cannot identify this species.[16] A thermocline line on a display becomes the only evidence for continuing, with no target response.
Brief deeper excursion The study maximum is 387 m, with returns to warmer upper water.[9] Interpret it as ecological range. The available recreational sources do not establish a 387 m White Marlin deep-drop method. A biological maximum is being used to justify a tackle/depth prescription unsupported by a fishing source.

The reset column is this dossier’s conservative decision synthesis. It is not a tested catch-rate model or a set of physiological thresholds.

Habitat views

Choose a labeled view or a numbered circle in the H00 overview. These controls use native radio inputs and CSS only; the four labeled choices remain available on narrow screens.

Choose a habitat view

WHITE MARLIN · WESTERN ATLANTIC

Broad western Atlantic illustration from the Caribbean and Florida to the Mid-Atlantic, with all four numbered scene options in a separate right-hand key and no map pins or tracks.
Broad Caribbean-to-Mid-Atlantic context. The four numbers select ecological scenes, not fish locations. Coastlines and water colors are schematic, not surveyed geography or an individual track.

01 · Spring offshore evidence

One adult White Marlin in open subtropical surface water; a separate note names published Florida Straits and Punta Cana larval records. No larva, egg, spawning posture or nursery polygon is drawn.
Published larval records from the Florida Straits and Punta Cana support recent reproduction in sampled places and periods; they do not define a nursery. The single adult is shown only for species context.

02 · Warm-season Mid-Atlantic corridor

One White Marlin in open pelagic water beside a generalized warm-water color boundary and generic forage, with a qualified note about tagged Mid-Atlantic fall movement; no reef, seabed, pin or track.
Warm water and forage offer search context. Southward fall movement was documented for one tagged Mid-Atlantic release sample, not a universal route or a fish location.

03 · Surface forage and search

Independent surface cross-section with one White Marlin, a generic fish school, two cephalopod examples and a distant seabird; no prey capture, hooked bait or guaranteed predator-under-bird claim.
Fish, cephalopods and an illustrative seabird show possible upper-water search context. Their co-presence is not a surveyed encounter, and birds or forage do not confirm a marlin beneath them.

04 · Upper layer and short excursions

One complete White Marlin in a separate shallow-water vignette, beside a non-proportional schematic depth guide with a conceptual downward-left / upward-right return curve. Sample numbers are shown; the fish is not drawn to the depth scale.
One western North Atlantic tag sample yielded usable records for n = 28 fish. Upper-20-m use was 50.8% during daytime and 81.6% at night; 387 m was the sample maximum, not a typical fishing depth. The dive/return curve is conceptual, not an individual track. Depth marks are schematic, not a proportional scale.

No JavaScript is used. Selecting a scene changes the visible panel; each detail is an independent composition, not a crop of H00.

Habitat caption: Atlantic range, local reproduction evidence and one tag sample’s seasonal movements are different layers of knowledge. The schematic connects them without claiming one universal migration loop.[8][9][10]

04. Unusual Behavior — Signals, Then Decisions

The striking contrast is between a fish encountered around a surface spread and a fish capable of briefly exploring much deeper water. The tagging authors interpret some descents as potentially related to prey search or pursuit. A tag records depth and temperature, however; it does not film the fish swallowing a squid.[9]

Likewise, diet is evidence of prey consumed, not an automatic shopping list for the best hook bait. Fish and cephalopods occur in the biological record, while a ballyhoo trolling tradition comes from a separate body of fishing evidence.[10][15]

Far, middle, close

Scale What the angler actually observes What it can support Immediate, bounded response
Far: a piece of ocean Regional captains describe temperature edges, eddies, current features and visible forage.[16] A search area where water and prey may align; no confirmed White Marlin beneath a particular bird or seam. Compare the feature with forage and safe boat access; work a coherent search path rather than treating it as a catch coordinate.
Middle: the spread and surrounding water Bait concentrations, sounder information or a fish raised behind teasers.[16][17] A change in local opportunity. A generic sounder mark does not establish species. Keep the intended bait presentation working and organize the crew’s response to the fish that actually appears.
Close: a following or taking fish A fish approaches a teaser or hook bait; the bite-delivery sequence belongs to the skipper’s chosen rig.[16][17] A possible take requiring the hook-specific response. Avoid reflexively snatching a circle-hook bait away. Follow the documented delivery/loading sequence for that configuration.

The response column is an operational synthesis of regional practice. None of these signals is a validated forecast of a bite, and no new universal current speed, water temperature or time-of-day trigger is asserted.

A two-stage protocol, with a named boundary

For the Mid-Atlantic natural-bait, non-offset-circle-hook examples described by the cited captains:

  1. Presentation and initial contact. A fish at the teaser or bait is not yet a loaded hook. The reports describe feeding/drop-back practice to let the fish take the bait. Do not convert the first visible approach into a violent rod strike.[16][17]
  2. Come tight under control. Complete the captain’s bait-delivery sequence, then recover line and establish tension for the circle-hook configuration. The reports do not establish one universal delay in seconds.[16][17]

Capt. Randy Butler’s Virginia Beach account makes a different, bait-specific point: when fishing live tinker mackerel, he gives the White Marlin time to turn and swallow the bait before coming tight. That is his local practice, not a license to delay every bite on every rig.[34]

These descriptions are not a species-wide experiment in mouth mechanics. Artificial-only terminal systems have their own hook arrangements; the circle-hook bait sequence is not transferred to them. Hook requirements also depend on the fishery: NOAA’s cited guide requires non-offset circle hooks for natural bait or natural/artificial combinations while fishing in a registered HMS tournament.[23]

05. Tactical Engineering — Three Evidence Routes, No Universal Rig

The strongest Mid-Atlantic story is a documented dead-bait trolling tradition. It does not erase live-bait or artificial-bait captures elsewhere.

Jesien and colleagues gathered 398 responses representing 350 boats in 2005 about 2004 fishing off Maryland and New Jersey. 98% preferred ballyhoo, generally small or medium; 78% at least sometimes used an attractant or dressing. 96% usually used teasers and 73% dredges. In that same regional recall survey, 87% never live-baited and 53% never used lures alone. These percentages describe reported practice, not randomized comparisons of effectiveness, and they are not a 2026 census.[15]

Match the evidence to the presentation

Route Documented setting Water layer and presentation What counts as a useful check Limit / reset
Dead ballyhoo trolling with teasers/dredges Mid-Atlantic practice survey and named captain accounts.[15][16][17] Surface spread; individual boats use their own naked/dressed bait and teaser arrangements. Observe whether baits run as intended and whether an actual fish responds. A survey popularity percentage cannot select the best modern lure, speed or terminal connection.
Local live tinker mackerel Capt. Randy Butler, Virginia Beach.[34] Live bait within his White Marlin program; he separately describes finding the baitfish around 50 fathoms or higher. Treat bait locating and target presentation as separate operations. Fifty fathoms is his bait-search context, not a prescribed White Marlin hook-bait depth. Do not transfer his bait to every coast.
Opportunistic live pitch bait Capt. Casey Hunt’s reported Harbor Island, Bahamas encounter.[35] A live goggle-eye pitched when another White Marlin approached the boat during trolling. A fish is already in view and the crew has an appropriate local pitch setup. One reported opportunity is not evidence for a primary Bahamas live-bait system or a universal rig.
Artificial / mixed presentations Northern Gulf 1980 fishery report; mixed use in the Mid-Atlantic survey.[22][15] Historical trolling/artificial or mixed spread context. It establishes that artificial presentations have accounted for reported catches. It does not select a present-day model, color, size, retrieve or comparative success rate.

In the 1980 northern Gulf sample, 60% of 1,648 reported White Marlin were hooked on artificial baits. Subregional patterns differed sharply. Voluntary historical catch data, unequal fishing effort and old-era White Marlin/Roundscale identification all limit interpretation. “Fraction of recorded catches” is not “probability this lure will catch a fish.”[22][5]

Five mechanical questions, without invented stars

Mechanical axis What the evidence can say What it cannot justify
Initial burst Captain accounts document an active offshore sport-fishery encounter.[16][17] A measured peak load or a calibrated five-star force score.
Structure-directed pull The ecological picture is pelagic, not a demonstrated burrow/reef-locking habit.[8] A drilling-into-cover rating imported from a benthic fish.
Sustained fight Historical and practitioner accounts establish a sporting fight.[24][16] A universal fight duration or a quantified stamina scale.
Terminal wear Each boat’s terminal gear needs its own inspection and source. A White-Marlin-specific abrasion leader or mandatory wire based on appearance.
Boat-side movement An active fish is a handling situation; official release guidance governs an unretained billfish.[23] A measured reattack probability or a certified landing-force rating.

The honest bill of materials

This is a source-bound component inventory, not an assembly diagram.

Component Documented role Specification boundary
Hook bait Small/medium dead ballyhoo in the historical Mid-Atlantic survey; live tinker mackerel in Butler’s Virginia Beach account; live goggle-eye in Hunt’s Bahamas case.[15][34][35] These are three different contexts, not interchangeable pieces of one rig.
Teasers / dredge Fish-raising elements in Mid-Atlantic captain practice.[16][17] A hookless teaser is not a hooked bait. No universal number or arrangement is assigned.
Bait hook Non-offset circle-hook configurations in the cited Mid-Atlantic reports; a tournament requirement for specified bait use in the NOAA guide.[16][23] No one hook size, exact placement or bait-bridle recipe is verified here.
Main line and leader Described as boat-specific tackle choices in the captain reporting.[16] No common rating, PE size, length or material is promoted into a species rule.
Mainline–leader / leader–terminal joins The cited target-species accounts do not fully disclose their connections. Do not attribute the separately selected teaching layout below to those captains or treat it as their documented rig.[39]
Rod, reel and drag Must match the actual inspected regional system. No Daiwa model, drag number or product-superiority claim is supported.

Shared teaching structures

This dossier selects the existing marlin teaching layouts for reuse. The live-bait example follows a main line, Bimini double, loop-to-loop wind-on leader, swivel, crimped terminal-leader loop, and a snelled circle hook connected to a bait bridle. The skirted-lure example follows PE braid, an FG join, a mono leader through the lure head, a crimped loop and a single hook. These are two separate arrangements, not parts to splice into one system.[39]

Unaltered Black Marlin guide teaching diagram; its original title and example-specific numbers remain visible.
Shared marlin rig pattern, reproduced from the Black Marlin guide; the illustrated ratings and speed belong to that example.[39]

The shared structure does not transfer the original Black Marlin figure’s leader lengths, line ratings, baitfish identity or small-boat trolling speed to White Marlin. Nor does belonging to the same billfish family establish identical sizing or performance. The cited White Marlin cases retain their own regional evidence and undisclosed fields. For applicable U.S. Atlantic registered-tournament natural or mixed bait use, the non-offset-circle-hook requirement must still be checked; a pure-artificial single-hook illustration is not permission to add natural bait without rechecking that rule.[23][39]

Unaltered Black Marlin guide teaching diagram; its original title and example-specific numbers remain visible.
Shared marlin presentation pattern, reproduced from the Black Marlin guide; the illustrated ratings and speed belong to that example.[39]

Failure analysis: solve the observed problem

Failure or misleading cue Why it matters Conservative action Evidence basis
Attractive front, but no forage or target response Water structure was mistaken for a fish detection. Reassess the search evidence and path. Regional captain search practice; editorial reset, not a proven failure rate.[16]
Bait pulled away at the first approach The delivery sequence was replaced by a reflex strike. Return to the skipper’s hook-specific bait-delivery/loading method. Circle-hook practitioner reports.[16][17]
A bait-locating depth is copied as the target depth Two operations have been merged. Separate where Butler caught tinker mackerel from where/how he presented them to marlin. Virginia Beach account.[34]
A lookalike is called White Marlin from a partial photograph Identification confidence exceeds visible anatomy. Preserve uncertainty and seek diagnostic review without unsafe fish handling. Official lookalike guidance.[4][6]
An artificial spread gains natural bait during a tournament Applicable hook category may change. Recheck the rules for the actual bait/hook configuration. U.S. Atlantic HMS guide; jurisdiction-specific.[23]

These are qualitative risk controls, not measured occurrence probabilities. They do not replace vessel safety procedures or the skipper’s control of the cockpit.

Field cases that correct easy assumptions

Mid-Atlantic, Capt. John Bayliss and Capt. Ryan Higgins: Copeland’s reporting describes boats that combine water/forage search, natural bait, teasers and dredges. The useful lesson is how those elements work together in a regional program. Their preferences do not establish a universal terminal rig or lure winner.[16]

Virginia Beach, Capt. Randy Butler: his live-tinker account demonstrates that “Mid-Atlantic anglers never use live bait” would be wrong. His bait-search detail and bait-delivery timing remain local practice. The 2004 survey and the later captain account describe different dates and evidence types; they are not contradictory measurements of today’s effectiveness.[15][34]

Harbor Island, Bahamas, Capt. Casey Hunt: a live goggle-eye pitch accounted for a reported additional White Marlin opportunity while trolling. This is an encounter case, not a controlled comparison between live bait and ballyhoo.[35]

06. Human Connection — A Town’s Fish, and a Name That Travels

Before a tournament could turn a fish into a leaderboard entry, a town had to learn where and when to meet it. Maryland’s circa-1935 archival material already describes Ocean City’s offshore marlin fishing, its boats, outriggers and named grounds. It is a period account of a developing recreational coast, not a modern oceanographic forecast.[24]

A NOAA synopsis published in 1975 reproduces Ocean City Marlin Club records: 175 fish in 1936, 1,259 in 1939, and 2,206 caught / 1,635 released in 1971. The series has no club records for the 1942–1944 wartime years. These numbers show the scale and documentation of a local fishing institution. Changing participation, recording and release conventions prevent them from becoming a simple population-abundance graph.[33]

The White Marlin Open dates its beginning to 1974 in the cited tournament-history account. In a study’s 2005 event sample, 514 White Marlin were reported at the WMO and 98% released; the other sampled Mid-Atlantic event reported 211 and 96% released. Those are event-and-year statistics, not a timeless description of every White Marlin fishery.[27][15]

Interpretive period offshore fishing scene with an anonymous figure and flexible outriggers, labelled as an illustration rather than an archival photograph.
Interpretive illustration based on Maryland State Archives written material, including MSA SC 908-708 and a 1940 guide description; not an archival photograph or an identified person/boat reconstruction. Source record: Maryland State Archives, MSA SC 908-708 (written material only).

Palate: leave the verdict to evidence

The sources used here do not establish a reliable species-specific regional taste consensus or a well-documented signature dish. Calling White Marlin a universal delicacy or a universally unwanted fish would add certainty the evidence does not contain. Recreational prominence and a tournament weigh-in are not food-safety evidence.

The U.S. FDA/EPA fish-advice chart places the broad category Marlin in Choices to Avoid because of mercury. Its advice specifically addresses people who might become or are pregnant or breastfeeding, and children aged 1–11; those groups are advised to avoid this category. This is audience-specific consumption guidance, rather than a legal ban applying to every adult or a White-Marlin-only tissue study.[37][38]

Names are cultural traces, not invented myths

Historical name lists include Skilligalee in New England and Balau Salmou / Balau kora in the Netherlands Antilles. They attest local naming; they do not supply a verified etymology or a marlin-specific legend.[4][33]

No substantiated White-Marlin-specific myth, Indigenous emblem or monster tradition was established in this research pass. The documented human story is already substantial: offshore knowledge, local boats, club records and a seasonal tournament economy. It does not need a borrowed sea-monster story.

For U.S. Atlantic fishing, check the current NOAA HMS, state and tournament requirements for the place and date. The current online guide, checked on 10 October 2026, requires immediate in-water release of an unretained billfish; it is a legal and handling boundary, not a substitute for the full rules.[23]

The most revealing detail may be the smallest: the position of a vent, the category beside a record weight, or the date above a club table. Each turns a familiar fish story into a more accurate one.

Appendix A — Taxonomy, Aliases and Measurement Notes

Taxonomy convention: selected ranks in the ITIS hierarchy consulted for this edition (omitting intermediate ranks) are Animalia → Chordata → Actinopterygii (superclass) → Teleostei (class) → Perciformes (order) → Xiphioidei → Istiophoridae → Kajikia → Kajikia albida. Other modern systems may arrange the higher ranks differently; the species identity is the stable key.[1]

Name How to read it
Kajikia albida (Poey, 1860) Accepted current name.[1][2]
Tetrapturus albidus Poey, 1860 Original/historical combination; same species concept.[1][3]
Lamontella albida; Makaira albida Historical combinations recorded in the taxonomic catalogue.[2]
Tetrapturus lessonae; Makaira lessonae Names associated with the same accepted taxon in the consulted catalogue; older records require synonym-aware searching.[2]
Tetrapturus imperator; T. belone in misidentification listings Misapplied names must not be flattened into unrestricted synonyms. Check the original usage.[2]
Kajikia audax Striped Marlin, a separate species.[7]
Tetrapturus georgii Roundscale Spearfish, a separate lookalike.[4][5]

Measurement and interpretation cautions: TL is not LJFL; regional length-at-maturity estimates are not an age-at-maturity table; larval occurrence is not a nursery polygon; the deepest tag record is not the usual angling depth; a tournament release proportion is not survival probability.[9][10][11][12][15][23]

The standalone Earle 1940 Ocean City report is identified bibliographically but was not read in full for this edition. No granular fact is attributed to its unread contents. The historical narrative instead relies on the Maryland archive and the later NOAA synopsis.[25][26][24][33]

Appendix B — Sources and Visual Reading Key

Fact pool

Anchor Traceable entry point Essential qualifier
Identity and aliases ITIS / Eschmeyer / NCBI.[1][2][3] Older scientific names are not additional species.
Lookalike diagnosis ICCAT, Maryland DNR and NOAA identification material.[4][5][6] A caption or hidden diagnostic feature cannot authenticate a catch.
Scale and longevity NOAA 2007 review.[10] Dated reported size; lower-bound longevity, not average life or current sporting record.
Water-column and movement sample Hoolihan et al. 2015.[9] 28 usable fish; region/sample/period bound.
Dead bait, live bait and artificial reports Survey, named captains, historical Gulf report.[15][16][17][22][34][35] Practice, anecdote and catch composition are different evidence types.
Hook and release boundary NOAA current online guide.[23] U.S. Atlantic context; current locality/date rules take precedence.
Mercury consumption advice FDA/EPA chart and audience guidance.[37][38] Broad Marlin category; specified pregnancy/breastfeeding and child audience, no all-adult legal ban.
Ocean City history Maryland archive, NOAA synopsis, tournament history.[24][27][33] Club/event records are not standardized abundance indices.
Official sport record IGFA register, read 10 October 2026.[36] All-Tackle 82.5 kg; no approval date or capture length displayed.

Visual key

The identification plate explains macro field characters; the habitat figures explain space; the bait-delivery and spread figures explain reported practice. They are separate from the cover. The habitat figures are labelled ecological schematics, not surveyed maps or records of a particular fish’s track.

Two source-labelled sport photographs are handled differently here: WM-REF-01, by Nugget04, is reproduced unmodified under CC BY 2.0 with its source and license linked beside it; WM-REF-02, by Dominic Sherony, is cited for comparative context only and is not reproduced. Neither photograph is a voucher-confirmed identification or a full diagnostic side view. They do not replace examination of diagnostic features or verify a fish identity.[29][30]

Numbered references

  1. Integrated Taxonomic Information System. ITIS Report: Kajikia albida. record accessed 2026-10-10. Original source. Research access date: 2026-10-10.
  2. California Academy of Sciences, Eschmeyer’s Catalog of Fishes. Eschmeyer’s Catalog of Fishes: Kajikia species. online catalog updated 2026-05-19; accessed 2026-10-10. Original source. Research access date: 2026-10-10.
  3. NCBI. NCBI Taxonomy Browser: Kajikia albida, Taxonomy ID 13719. current record accessed 2026-10-10. Original source. Research access date: 2026-10-10.
  4. International Commission for the Conservation of Atlantic Tunas; chapter author J. Hoolihan. ICCAT Manual, Chapter 2.1.7: White Marlin. manual chapter last update Jan. 14, 2013; accessed 2026-10-10. Original source. Research access date: 2026-10-10.
  5. Maryland Department of Natural Resources. Billfishes of Maryland. accessed 2026-10-10; page cites FishBase 2017 and NOAA materials. Original source. Research access date: 2026-10-10.
  6. NOAA Southeast Fisheries Science Center, InPort. ROUNDSCALE SPEARFISH branchiostegal morphometric data. updated 2026-03-04; accessed 2026-10-10. Original source. Research access date: 2026-10-10.
  7. Mamoozadeh et al., ICES Journal of Marine Science; NOAA Institutional Repository record. Genomic data resolve long-standing uncertainty by distinguishing white marlin (Kajikia albida) and striped marlin (K. audax) as separate species. 2023; accessed 2026-10-10. Original source. Research access date: 2026-10-10.
  8. Florida Museum of Natural History, University of Florida. White Marlin — Discover Fishes. accessed 2026-10-10. Original source. Research access date: 2026-10-10.
  9. Hoolihan, Luo, Snodgrass, Orbesen, Barse & Prince; ICES Journal of Marine Science. Vertical and horizontal habitat use by white marlin Kajikia albida (Poey, 1860) in the western North Atlantic Ocean. 2015; accessed 2026-10-10. Original source. Research access date: 2026-10-10.
  10. NOAA/NMFS Atlantic White Marlin Status Review Team. Atlantic White Marlin Status Review. 2007; accessed 2026-10-10. Original source. Research access date: 2026-10-10.
  11. NOAA Fisheries. Final Amendment 10 to the 2006 Consolidated Atlantic Highly Migratory Species Fishery Management Plan: Essential Fish Habitat. 2017; accessed 2026-10-10. Original source. Research access date: 2026-10-10.
  12. Pinheiro et al., Journal of Applied Ichthyology. Reproductive biology of the white marlin (Kajikia albida) in the southwestern and equatorial Atlantic Ocean. 2021; accessed 2026-10-10. Original source. Research access date: 2026-10-10.
  13. ICCAT SCRS. SCRS/2022/176: Preliminary age and growth information for Atlantic marlins and sailfish from otoliths. 2022; accessed 2026-10-10. Original source. Research access date: 2026-10-10.
  14. ICES Journal of Marine Science / PMC. Diet composition of data-limited marlins (Istiophoridae) in the Northwest Atlantic. 2026; research lead consulted via indexing; no quantitative diet conclusion in this manuscript relies on it. Original source. Research access date: 2026-10-10.
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  29. Photograph: Nugget04; Wikimedia Commons record. File: White Marlin (Kajikia albida).jpg. photo date 2008-01-15; license review 2025-04-10; accessed 2026-10-10. Original source. Research access date: 2026-10-10.
  30. Photograph: Dominic Sherony; Wikimedia Commons record. File: White Marlin in North Carolina 1394318584.jpg. photo date 2007-08-25; accessed 2026-10-10. Original source. Research access date: 2026-10-10.
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  33. Richard S. Shomura and Francis Williams (eds.); NOAA National Marine Fisheries Service. Proceedings of the International Billfish Symposium, Kailua-Kona, Hawaii, 9–12 August 1972, Part 3: Species Synopses — White Marlin account and Ocean City marlin history table. June 1975; accessed 2026-10-10. Original source. Research access date: 2026-10-10. Table 10 is the chosen club-record series: it reports 1,259 for 1939, while a separate narrative sentence citing Earle 1940 gives 1,343. Those source figures are not silently reconciled.
  34. InTheBite Editor; interviews/practice excerpts attributed to Capt. Randy Butler (Virginia Beach) and Capt. Kevin Beach (Venice, Louisiana). Bait School: Four Captains, 20 Tips for Better Live Bait Fishing. 2021-09; accessed 2026-10-10. Original source. Research access date: 2026-10-10.
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  39. GIGVAULT. Black Marlin fishing guide: rig and presentation diagrams. Previously published teaching figures T-01 (trolling terminal paths) and T-02 (separate boat presentations) are reused here as shared marlin patterns. The original Black Marlin labels and numerical examples remain associated with those examples.