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Rachycentron canadum (Linnaeus, 1766)

Cobia
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Rachycentron canadum   AquaMaps   Data sources: GBIF OBIS
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Image of Rachycentron canadum (Cobia)
Rachycentron canadum
Picture by Cox, C.D.

Common names from other countries

Mafou, Кобия (=нигрита), Black bonito, ... more

分類 / Names 共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa

> Carangiformes (Jacks) > Rachycentridae (Cobia)
Etymology: Rachycentron: Greek, rhachis, -ios = spine + Greek, kentron = sting (Ref. 45335).
  More on author: Linnaeus.

Environment: milieu / climate zone / depth range / distribution range 生態学

海; 汽水性の 関連する礁; 海洋回遊性 (Ref. 51243); 深さの範囲 0 - 1200 m (Ref. 9739).   Subtropical; 17°C - 32°C (Ref. 12459); 47°N - 37°S, 98°W - 166°E (Ref. 12459)

分布 国々 | 国連食糧農業機関の区域 | エコシステム | 事件 | Point map | 導入 | Faunafri

Worldwide in tropical and subtropical waters, but absent in the eastern Pacific (Ref. 9739, 33390) and the Pacific Plate, except marginally (Ref. 10948). Western Atlantic: Canada (Ref. 5951) to Bermuda and Massachusetts, USA to Argentina (Ref. 7251), including the Gulf of Mexico (Ref. 9626) and entire Caribbean (Ref. 26938). Eastern Atlantic: Morocco to South Africa. Indo-West Pacific: East Africa (Ref. 2871, 5213, 6644, 30573) and Hokkaido, Japan to Australia.

Length at first maturity / サイズ / 重さ / 年齢

Maturity: Lm ?, range 43 - ? cm
Max length : 200 cm TL オス/雌雄の選別がない; (Ref. 10790); common length : 110 cm TL オス/雌雄の選別がない; (Ref. 3487); 最大公表体重: 68.0 kg (Ref. 7251); 最大記録サイズ: 15 年 (Ref. 9739)

簡単な記述 検索表 | 形態学 | 形態計測学

背面の脊椎 (合計) : 7 - 9; 背鰭 (合計) : 26 - 33; 肛門の骨: 2 - 3; 臀鰭: 22 - 28. This species is distinguished by the following characters: head broad and depressed; first dorsal fin usually with VIII short but strong isolated spines, not connected by a membrane; caudal fin lunate to emarginate in adults, upper lobe longer than lower, rounded in young with prolonged central rays. Colour of back and sides dark brown, with 2 sharply defined narrow silvery bands, belly yellowish (Ref. 10948, 90102).

生物学     用語集 (例 epibenthic)

Adults occur in a variety of habitats, over mud, sand and gravel bottoms; over coral reefs, off rocky shores (Ref. 10948) and in mangrove sloughs; inshore around pilings and buoys, and offshore around drifting and stationary objects; occasionally in estuaries (Ref. 9739). Form small groups and may pursue small pelagic inshore (Ref. 48635). Feed on crabs, fishes, and squids (Ref. 5213, 10948, 13442). Form spawning aggregations during the warm months in the western Atlantic; eggs and larvae planktonic (Ref. 12459). Caught in small quantities due to its solitary behavior (Ref. 9626). Caught mainly with handlines, and by trolling pelagically offshore over the continental shelf (Ref. 10948). Good food fish; marketed fresh (Ref. 5284), smoked, and frozen (Ref. 9987). Also caught for sport (Ref. 26938).

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生

Form spawning aggregations during the warm months in the western Atlantic; eggs and larvae planktonic (Ref. 12459).

主な参考文献 Upload your references | 参考文献 | コーディネーター | 協力者

Shaffer, R.V. and E.L. Nakamura, 1989. Synopsis of biological data on the cobia Rachycentron canadum (Pisces: Rachycentridae). NOAA Tech. Rep. NMFS 82, FAO Fisheries Synopsis 153. (Ref. 9739)

IUCNのレッドリストの状況は (Ref. 130435)

  軽度懸念 (LC) ; Date assessed: 21 August 2012

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless




Human uses

水産業: 少数商業の; 水産養殖: 商業; ゲームフィッシュ: はい
FAO(Aquaculture systems: 代謝, 種の外形; 水産業: 代謝; publication : search) | FishSource | 私達の周りの海

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Estimates based on models

Preferred temperature (Ref. 115969): 8.1 - 19.8, mean 12.9 (based on 1010 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 1.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00479 (0.00347 - 0.00661), b=3.11 (3.02 - 3.20), in cm Total Length, based on LWR estimates for this species (Ref. 93245).
栄養段階 (Ref. 69278):  4.0   ±0.0 se; based on diet studies.
回復力 (Ref. 120179):  手段, １．４年～４．４年の倍増期間の最小個体群 (K=0.09-0.22; tm=2-3; tmax=15).
Prior r = 0.58, 95% CL = 0.38 - 0.87, Based on 2 full stock assessments.
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (42 of 100).
Climate Vulnerability (Ref. 125649):  High vulnerability (62 of 100).
価格帯 (Ref. 80766):   High.