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Several attempts have been made to establish a commercial fishery for the most common larger species, such as the giant grenadier, but the fish is considered unpalatable, and attempts thus far have proven unsuccessful. [3] The subfamily as a whole may represent up to 15% of the deep-sea fish population.
The abyssal grenadier, Coryphaenoides armatus, is an abyssal fish of the genus Coryphaenoides, found in all the world's oceans, at depths between 800 and 4,000 metres (2,600 and 13,100 ft). Its adult length is 20 to 40 centimetres (8 to 16 in), although Fishbase [ 2 ] gives lengths up to 1 metre (3 ft 3 in).
Günther's grenadier (Coryphaenoides guentheri) ... The fish is named in honor of ichthyologist-herpetologist Albert Günther (1830–1914) of the British Museum ...
The hoki is one of the species used in McDonald's Filet-O-Fish, Fish Fingers and McFish sandwiches. [3] [4] It was previously served at Long John Silver's and Denny's restaurants in the United States, and continues to be served at Denny's in New Zealand. [3] The blue grenadier is a very important commercial species in Australia. [5]
The common Atlantic grenadier is blue-violet in colour, with silvery and black areas. Its maximum length is 36 centimetres (14 in). It has 2 dorsal spines and its spinules are lanceolate or shield-shaped. [7] Its head, snout and chin barbel are short. [8] [9]
The roughhead grenadier feeds on crustaceans and other small invertebrates it finds on the seabed. The diet includes small fish, shrimps, amphipods, polychaete worms, bivalve molluscs, isopods, brittle stars, other echinoderms and comb jellies. [3] [6] The roughhead grenadier is a slow growing fish.
The Mediterranean grenadier has a measurement of up to 73 cm (29 in). [6] The head is scaled except for its gular and branchiostegal membranes; it has a blunt snout. [7] [8] Its brain shows increased volume in the octavolateral area (premotor organization of body movements) and gustatory area (taste); this is unsurprising as it lives in near-total darkness and is dependent on chemosensory ...
The hollowsnout grenadier feeds on various marine invertebrates and vertebrates. They primarily target benthic crustaceans, (specifically amphipods, isopods, tanaids) and polychaetes, but will still hunt teleost fish and certain cephalopod species.