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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 roughnose grenadier (Trachyrincus murrayi) is a species of fish in the subfamily Macrourinae (rat-tails). [3] [4] The species is named for Sir John Murray. [5]
As with many deep-living fish, the lateral line system in grenadiers is well-developed; it is further aided by numerous chemoreceptors located on the head and lips and chemosensory barbels underneath the chin. Benthic species have swim bladders with unique muscles attached to them. The animals are thought to use these muscles to "strum" their ...
They are found at depths from around 200 meters (660 feet) to greater than 3,000 meters (9,800 feet). They normally prefer temperatures of between 1 and 4 °C (34 and 39 °F), although one species, the Antarctic roughhead (Macrourus whitsoni), has been collected at temperatures which were slightly below 0 °C (32 °F). [1]
The rough abyssal grenadier is an active benthic forager, with a diet that features a variety of seafloor fauna. [4] [5] Squids, crustaceans, and polychaetes comprise the most consistent sources of prey for C. yaquinae, though stomach content analyses have revealed echinoderms, fish, and food scavenged from carrion. [5]
Macrouridae is a family of deep sea fish, a diverse and ecologically important group, [2] which are part of the order of cod-like fish, the Gadiformes.The species in the Macrouridae are characterised by their large heads [3] which normally have a single barbel on the chin, [4] projecting snouts, and slender bodies that taper to whip-like tails, without an obvious caudal fin [3] but what there ...
Coryphaenoides rupestris is a species of marine ray-finned fish in the family Macrouridae. Its common names include the rock grenadier, the roundnose grenadier and the roundhead rat-tail. In France it is known as grenadier de roche and in Spain as granadero de roca. It is a large, deep-water species and is fished commercially in the northern ...
The ridge scaled rattail [2] or ridge-scaled grenadier, [3] Macrourus carinatus, is a species of deep-water fish in the family Macrouridae. [1] [2] It has southern circumglobal distribution in temperate to subantarctic waters (34°S–65°S) and is found in the Southern Atlantic, Indian and Pacific Oceans and in the Southern Ocean [1] [2] at depths of about 200–1,200 m (660–3,940 ft).