Euthynnus lineatus, Black skipjack : fisheries, gamefish

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Related species
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  Euthynnus
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  Scombridae
- - Classification -
- Scombrinae
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Euthynnus lineatus Kishinouye, 1920

Black skipjack

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Native range | All suitable habitat | Point map | Year 2050

This map was computer-generated and has not yet been reviewed.

Euthynnus lineatus AquaMaps Data sources: GBIF OBIS

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Image of Euthynnus lineatus (Black skipjack)

Euthynnus lineatus
Picture by Béarez, P.

Common names from other countries

Thonine noire, Barrilete negro, Negra pata seca, ... more

Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

> Scombriformes (Mackerels) > Scombridae (Mackerels, tunas, bonitos) > Scombrinae
Etymology: Euthynnus: Greek, eu = good + Greek, thynnos = tunna (Ref. 45335).

Environment: milieu / climate zone / depth range / distribution range Ekologi

marina; havsvandrande (Ref. 51243); djupintervall 0 - 40 m (Ref. 5227). Tropical; 39°N - 16°S, 128°W - 77°W (Ref. 168)

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

Eastern Pacific: off San Simeon, California, USA southward to the Galapagos Islands and northern Peru. Two stray specimens collected in the Hawaiian Islands.

Size / Vikt / Age

Maturity: L_m ? range ? - ? cm
Max length : 84.0 cm FL hane/ej könsbestämd; (Ref. 168); common length : 60.0 cm FL hane/ej könsbestämd; (Ref. 9340); publicerad maxvikt: 9.1 kg (Ref. 168)

Short description Bestämningsnycklar | Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt) : 10 - 15; Mjukstrålar i analfenan: 11 - 12; Ryggkotor: 37. Anterior spines of first dorsal fin much higher than those mid-way, giving the fin a strongly concave outline. Interpelvic process small and bifid. Body naked except for corselet and lateral line. Swim bladder absent. A large rounded protuberances on 31st and 32nd vertebrae. Color is generally iridescent blue with black dorsal markings composed of 3 to 5 horizontal stripes. Also with variable black or dark gray spots above the pelvic fins. Occasionally with extensive longitudinal stripes of light gray on belly; some individuals have few or no belly markings.

Occurs rarely where surface temperatures fall below 23°C. Its larvae are more frequently encountered at temperatures above 26°C and are practically confined to waters within about 240 miles off the mainland. Inhabits near the surface of coastal waters and offshore waters (Ref. 11035). Form multi-species schools with Thunnus albacares and Katsuwonus pelamis. An opportunistic predator which shares feeding pattern with other tunas and probably compete for food with other species such as yellowfin tuna, common dolphin, oriental bonito, among others.

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Main reference Upload your references | referenser | Koordinator : Collette, Bruce B. | Medarbetare

Collette, B.B. and C.E. Nauen, 1983. FAO Species Catalogue. Vol. 2. Scombrids of the world. An annotated and illustrated catalogue of tunas, mackerels, bonitos and related species known to date. Rome: FAO. FAO Fish. Synop. 125(2):137 p. (Ref. 168)

IUCN Red List Status (Ref. 130435: Version 2024-1)

Least Concern (LC) ; Date assessed: 01 March 2022

CITES (Ref. 131153)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Fiskeri: mindre kommeriell; sportfisk: ja

FAO(fiskeri: produktion; publication : search) | FIRMS (Stock assessments) | FishSource | Sea Around Us

Ytterligare information

Trophic ecology
Födoslag
Födosammansättning
Födointag
Food rations
Predatorer

Ecology
Ekologi
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Population dynamics
Tillväxtparametrar
Max. ages / sizes
Length-weight rel.
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Length-frequencies
Mass conversion
Rekrytering
Abundans

Life cycle
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Könsmognad
Fecundity
Lek
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Ägg
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Larver
Larvdynamik

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Estimates based on models

Preferred temperature (Ref. 115969): 21.3 - 28.6, mean 26 (based on 34 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01148 (0.00591 - 0.02229), b=3.08 (2.92 - 3.24), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Trofisk nivå (Ref. 69278): 3.8 ±0.60 se; based on food items.

Resiliens (Ref. 120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Assuming tm=2).

Fishing Vulnerability (Ref. 59153): High vulnerability (57 of 100).

Climate Vulnerability (Ref. 125649): Very high vulnerability (88 of 100).

Price category (Ref. 80766): High.

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