Gadiform Fishes of the World Order Gadiformes: An Annotated by Daniel M. Cohen

By Daniel M. Cohen

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Extra resources for Gadiform Fishes of the World Order Gadiformes: An Annotated and Illustrated Catalogue of Cods, Hakes, Grenadiers and Other Gadiform Fishes Known to (Fao Fisheries Synopsis, No. 125) (v. 13)

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Tusk is fished by Canada (3 960 t in 1987) and USA (1 390 t in 1987) in the North West Atlantic, especially in the Gulf of Maine. Off Cape Cod, it is mostly caught incidental to cod fishing. In its eastern distribution, it is mostly taken by Norway (30 082 t in 1987), Faeroe Islands (6 600 t), Iceland (2 984 t), with major fishing grounds off the north coast of the British Isles, Denmark, the Northern part of the North Sea, Kattegat to Iceland, and the Murmansk coast. Along USSR shores, it is rare and cannot be considered a commercial fish.

It breeds from December to January in the Mediterranean, and from mid-winter to spring in northern Europe. The major spawning grounds are located in the western part of the Mediterranean, on both sides of the Straits of Gibraltar, in deep water. Silvery pout rarely lives up to 3 years, when it reaches a maximum length (15 cm); most commonly, it attains 13 cm in its northern distribution, and 7 to 10 cm in the Mediterranean Sea. Fig. 80 Feeds on small crustaceans and possibly on worms. It is preyed upon by a number of larger valuable fish.

Scales overlapping. Palatine teeth (on roof of mouth) sometimes present.......... Arctogadus (Fig. 37) 10b Scales very small, embedded and non overlapping. Palatine preteeth never sent ........ Boreogadus (Fig. 38) Gadiculus Fig. 36 lateral line interrupted Arctogadus Fig. 37 Boreogadus Fig. 38 Eleginus Fig. 39 Lateral line continuous along all or part of its length (Fig. 39) 11a. Lateral line continuous to origin of second dorsal fin. Parapophyses expanded at their tips (Fig. 40a)....... Eleginus (Fig.

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