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Actinopterygii
輻鰭魚綱 (條鰭魚) >
Gadiformes (Cods) >
Gadidae (Cods and haddocks)
Etymology: Boreogadus: Greek, boreas = north wind + Latin, gadus = a fish, cod? (Ref. 45335).
環境 / 氣候 / 範圍
生態學
; 海洋; 半鹹淡水 居於水底的; 海洋洄游的 (Ref. 51243); 深度上下限 0 - 400 m (Ref. 1371). -2°C - 8°C (Ref. 96379), preferred -1°C (Ref. 107945); 87°N - 52°N, 180°W - 180°E (Ref. 1371)
Circumpolar in the Arctic. North Atlantic: White Sea, Iceland, and southern Greenland into the Miramichi River, New Brunswick in Canada. North Pacific: Bering Sea to Cape Olyutorski, the Pribilof Islands, and Bristol Bay.
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 40.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 1371); common length : 25.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 1371); 最大年齡: 7 年 (Ref. 1371)
背棘 (總數): 0; 背的軟條 (總數): 42-57; 臀棘 0; 臀鰭軟條: 33 - 44; 脊椎骨: 49 - 57. Caudal fin deeply concave. Lower jaw slightly longer than upper jaw. Chin barbel very small. No lateral line pores on head. Scales small and embedded, not overlapping. Brownish along the back with many fine points; the sides and belly silvery; the fins dusky with pale margins (Ref. 1371).
Occurs in coastal habitats during summer and winter (Ref. 1371). Cryopelagic or epontic, from surface down to 1383 m (Ref. 58426). In the Beaufort Sea, it may also be found in brackish lagoons and in almost fresh water in river mouths (Ref. 1371). Although associated with the occurrence of ice (White Sea), it is present in ice-free near-shore waters (Alaska) (Ref. 1371). Onshore-offshore movements are associated with spawning and movements of the ice (Ref. 27547). Feeds mostly on epibenthic mysids, also amphipods, copepods and fishes (Ref. 1371). Also caught with mid-water trawls (Ref. 1371). Utilized as fishmeal and source of oil (Ref. 1371). Euryhaline and eurythermic.
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Oviparous, sexes are separate (Ref. 101194). Fish move close inshore, often in large numbers to spawn (Ref. 27547).
Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990. FAO species catalogue. Vol. 10. Gadiform fishes of the world (Order Gadiformes). An annotated and illustrated catalogue of cods, hakes, grenadiers and other gadiform fishes known to date. FAO Fish. Synop. 125(10). Rome: FAO. 442 p. (Ref. 1371)
CITES (Ref. 94142)
Not Evaluated
人類使用
漁業: 高經濟性
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