Kajikia audax, Striped marlin : fisheries, gamefish

Kajikia audax (Philippi, 1887)

Striped marlin
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Kajikia audax   AquaMaps   Data sources: GBIF OBIS
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Image of Kajikia audax (Striped marlin)
Kajikia audax
Photo von Archambault, C.

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> Carangiformes (Jacks) > Istiophoridae (Billfishes)
More on author: Philippi.

Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet Ökologie

seewasser pelagic-oceanic; ozeanodrom (Ref. 71039); tiefenbereich 0 - 200 m (Ref. 43). Subtropical; 20°C - 25°C (Ref. 54918); 46°N - 49°S, 19°E - 69°W (Ref. 54918)

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Indo-Pacific: tropical, subtropical and temperate waters. Highly migratory species. The distribution in the Pacific Ocean is unique among billfishes and tunas in that it forms a horseshoe-shaped pattern from the northwest Pacific through the eastern Pacific to the southwest Pacific (Ref. 30443). In the Indian Ocean, fish are more densely distributed in equatorial regions with higher concentrations off eastern Africa, in the western Arabian Sea, the Bay of Bengal and off northwestern Australia (Ref. 30444).

Länge bei der ersten Reifung / Größe / Gewicht / Alter

Geschlechtsreife: Lm 210.0, range 190 - ? cm
Max length : 420 cm TL Männchen/unbestimmt; (Ref. 30874); common length : 290 cm TL Männchen/unbestimmt; (Ref. 9308); max. veröff. Gewicht: 440.0 kg (Ref. 30874); max. veröff. Alter: 9 Jahre (Ref. 31614)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 0; Rückenflossenweichstrahlen (insgesamt) : 42 - 48; Afterflossenstacheln: 0; Afterflossenweichstrahlen: 18 - 24. Body elongated and compressed; upper jaw produced into a robust and medium sized beak; two dorsal fins, the height of the first greater than the greatest depth, short anteriorly, taller in the middle, then becoming shorter posteriorly; pectoral fins falcate and flexible, with 18 to 22 rays; body densely covered by small, embedded scales with 1 or 2 bluntish points; back dark blue; belly silvery; membrane of first dorsal fin blue black without dark spots; flanks with about 20 bluish stripes (Ref. 55763). Blue-black above and silvery white below, with about 15 rows of cobalt-colored stripes; 1st dorsal fin dark blue; other fins dark brown, sometimes with a tinge of dark blue; anal fin bases with a tinge of silvery white.
Body shape (shape guide): elongated.

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

Epipelagic and oceanic species, usually found above the thermocline. Generally inhabit cooler water than either black (Makaira indica) or blue marlin (M. mazara) (Ref. 43). Most dominant and widely distributed of all billfishes. Their abundance increases with distance from the continental shelf (Ref. 6390). Usually seen close to shore only where deep drop-offs occur (Ref. 6390). Mostly solitary, but form small schools by size during the spawning season (Ref. 9987). They are usually dispersed at considerably wide distances. Feed on fishes, crustaceans and squids. Also caught with the harpoon. The flesh is the best among billfishes for sashimi and sushi. Marketed mostly frozen, sometimes fresh (Ref. 43); also smoked and frozen (Ref. 9987). Also Ref. 9137, 9574.

Lebenszyklus und Paarungsverhalten Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven

Females are indeterminate batch spawners with asynchronous oocyte development (Ref. 92477). Larvae are most abundant in the respective local early summers. The seasonal occurrence of mature females coincides with that of the larvae. The lower temperature limit in the distribution of larvae is approximately 24°C, both in the Indian and Pacific Oceans. Spawning sites are between 10°S and 30°S in Southwest Pacific and 10°S and 20°S in northeastern Indian Ocean (Ref. 6390).

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Nakamura, I., 1985. FAO species catalogue. Vol. 5. Billfishes of the world. An annotated and illustrated catalogue of marlins, sailfishes, spearfishes and swordfishes known to date. FAO Fish. Synop. 125(5):65p. Rome: FAO. (Ref. 43)

IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))

  nicht bedroht (LC) ; Date assessed: 10 May 2021

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless





Nutzung durch Menschen

Fischereien: kommerziell; Sportfisch: ja
FAO - Fischereien: Artbeschreibung, landings search; Publication: search | FIRMS - Stock assessments | FishSource | Das Meer um uns herum

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Schätzungen auf der Grundlage von Modellen

Phylogenetischer Diversitätsindex
(Ref. 82804) 		PD50 = 0.7505 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight a=0.00550 (0.00300 - 0.01006), b=3.15 (2.98 - 3.32), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophische Ebene
(Ref. 69278) 		4.5   ±0.73 se; based on food items.
Generation time 2.5 (1.5 - 5.0) years. Estimated as median ln(3)/K based on 13 growth studies.
Widerstandsfähigkeit
(Ref. 120179) 		mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (K=0.2-0.8; tm=2-3; tmax=9; Fec=90-281 million (annual reproductive output)).
Rate of population increase Prior r = 0.37, 95% CL = 0.25 - 0.56, Based on 6 full stock assessments.
Anfälligkeit der Fischerei
(Ref. 59153) 		Moderate vulnerability (44 of 100). 🛈
Klimaanfälligkeit
(Ref. 125649) 		Moderate to high vulnerability (48 of 100). 🛈
Preiskategorie
(Ref. 80766) 		Very high.
Nährstoffe
(Ref. 124155) 		Calcium = 29.3 [12.2, 54.6] mg/100g; Iron = 0.97 [0.53, 1.79] mg/100g; Protein = 19.9 [18.6, 21.0] %; Omega3 = 0.217 [0.110, 0.427] g/100g; Selenium = 50.6 [25.2, 110.9] μg/100g; VitaminA = 3.89 [1.10, 13.77] μg/100g; Zinc = 0.31 [0.20, 0.48] mg/100g (wet weight);