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Katsuwonus pelamis (Linnaeus, 1758)

Skipjack tuna
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Native range | All suitable habitat | Point map | Year 2050
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Katsuwonus pelamis   AquaMaps   Data sources: GBIF OBIS
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Image of Katsuwonus pelamis (Skipjack tuna)
Katsuwonus pelamis
Male picture by Freitas, R.

South Africa country information

Common names: Bonito, Katunkel, Lesser tunny
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: minor commercial | Ref: van der Elst, R.P. and F. Adkin (eds.), 1991
Aquaculture: | Ref:
Regulations: no regulations | Ref: van der Elst, R., 1993
Uses: gamefish: yes;
Comments: Occurs throughout the coast (Ref. 4332); common from Algoa Bay to the east coast (Ref. 5313). Stock sound; probably underexploited; important game fish (Ref. 4332). Angling record: 9.1 kg (Ref. 12484).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/sf.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Collette, B.B. and C.E. Nauen, 1983
National Database:

Common names from other countries

Listao, Listado, 鲣, ... more

Classification / Names Tên thường gặp | Các synonym ( Các tên trùng) | Catalog of Fishes(Giống, Các loài) | ITIS | CoL | WoRMS | Cloffa

> Scombriformes (Mackerels) > Scombridae (Mackerels, tunas, bonitos) > Scombrinae
Etymology:   More on author: Linnaeus.

Environment: milieu / climate zone / depth range / distribution range Sinh thái học

Biển; Ở đại duơng, biển; Mức độ sâu 0 - 260 m (Ref. 9340), usually 0 - ? m (Ref. 55287).   Tropical; 15°C - 30°C (Ref. 168); 63°N - 47°S, 180°W - 180°E

Sự phân bố Các nước | Các khu vực của FAO | Các hệ sinh thái | Những lần xuất hiện | Point map | Những chỉ dẫn | Faunafri

Cosmopolitan in tropical and warm-temperate waters. Not found in the Black Sea. Highly migratory species,

Length at first maturity / Bộ gần gũi / Khối lượng (Trọng lượng) / Age

Maturity: Lm 41.3, range 40 - 45 cm
Max length : 110 cm FL con đực/không giới tính; (Ref. 89423); common length : 80.0 cm FL con đực/không giới tính; (Ref. 168); Khối lượng cực đại được công bố: 34.5 kg (Ref. 168); Tuổi cực đại được báo cáo: 12 các năm (Ref. 168)

Short description Khóa để định loại | Hình thái học | Sinh trắc học

Các tia vây lưng cứng (tổng cộng) : 14 - 16; Các vây lưng mềm (tổng cộng) : 14 - 15; Tia cứng vây hậu môn: 0; Tia mềm vây hậu môn: 14 - 15; Động vật có xương sống: 41. This species is distinguished by the following characters: body fusiform, elongate and rounded; teeth small and conical, in a single series; gill rakers on first gill arch numerous, 53-63; D1 XIV-XVI, dorsal fins separated by a small interspace (not larger than eye), the second followed by 7-9 finlets; anal fin followed by 7-8 finlets; pectoral fins short, with 26-27 rays; 2 flaps (interpelvic process) between pelvic fins; body scaleless except for corselet and lateral line; a strong keel on each side of caudal-fin base between 2 smaller keels. Colour of back dark purplish blue, lower sides and belly silvery, with 4-6 very conspicuous longitudinal dark bands which in live specimens may appear as discontinuous lines of dark blotches (Ref. 9684).

Sinh học     Tự điển (thí dụ epibenthic)

Found in offshore waters; larvae restricted to waters with surface temperatures of 15°C to 30°C (Ref. 6390). Exhibit a strong tendency to school in surface waters with birds, drifting objects, sharks, whales and may show a characteristic behavior like jumping, feeding, foaming, etc. Feed on fishes, crustaceans, cephalopods and mollusks; cannibalism is common. Spawn throughout the year in the tropics, eggs released in several portions (Ref. 35388). Eggs and larvae are pelagic (Ref. 6769). Preyed upon by large pelagic fishes (Ref. 6885). Also taken by trolling on light tackle using plugs, spoons, feathers, or strip bait (Ref. 9684). Marketed fresh, frozen or canned (Ref. 9340, 9684 ); also dried-salted and smoked (Ref. 9987).

Life cycle and mating behavior Maturities | Sự tái sinh sản | Spawnings | Egg(s) | Fecundities | Ấu trùng

In tropical waters, reproductively active female skipjack tuna spawn almost daily.

Main reference Upload your references | Các tài liệu tham khảo | Người điều phối : Collette, Bruce B. | Người cộng tác

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)

  Least Concern (LC) ; Date assessed: 15 January 2021

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Reports of ciguatera poisoning (Ref. 4690)




Human uses

Các nghề cá: tính thương mại cao; cá để chơi: đúng
FAO(Các nghề cá: Sản xuất, species profile; publication : search) | FIRMS (Stock assessments) | FishSource | Biển chung quanh ta

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Các nguồn internet

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Estimates based on models

Preferred temperature (Ref. 115969): 13.3 - 29, mean 26.2 (based on 8934 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01072 (0.00955 - 0.01202), b=3.10 (3.07 - 3.13), in cm Total Length, based on LWR estimates for this species (Ref. 93245).
Mức dinh dưỡng (Ref. 69278):  4.4   ±0.5 se; based on diet studies.
Thích nghi nhanh (Ref. 120179):  Trung bình, thời gian nhân đôi của chủng quần tối thiểu là 1.4 - 4.4 năm (K=0.3-0.5; tm=2-3; tmax=12; Fec=61,516).
Prior r = 0.52, 95% CL = 0.35 - 0.79, Based on 9 full stock assessments.
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (38 of 100).
Climate Vulnerability (Ref. 125649):  Moderate vulnerability (41 of 100).
Price category (Ref. 80766):   High.