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Chimaeras live in temperate ocean floors, with some species inhabiting depths exceeding 2,000 m (6,600 ft), [8] with relatively few modern species regularly inhabiting shallow water. Exceptions include the members of the genus Callorhinchus , the rabbit fish and the spotted ratfish , which locally or periodically can be found at shallower depths.
The Galápagos ghostshark (Hydrolagus mccoskeri) is a chimaera species in the family Chimaeridae, likely endemic to the Galápagos Islands.It was discovered by John E. McCosker in 1995 and described in 2006, scientifically named in honor of McCosker.
Ghost sharks, formally known as chimaeras, have smooth skin and no scales. They have "distinctive, beak-like teeth," NIWA said, and primarily eat shrimp and mollusks.
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Chimaeras, also known as rat fish, or ghost sharks, include three living families and a little over 50 species of surviving holocephalans. These fishes move by using sweeping movements of their large pectoral fins. They are deep sea fish with slender tails, living close to the seabed to feed on benthic invertebrates. They lack a stomach, their ...
The assessment in 2020 also found that 15 per cent of ghost shark species were “so understudied that their extinction risk cannot be determined". Show comments Advertisement
The whitespot ghost shark's skin is smooth throughout, without any scales. [3] It has two dorsal fins; the first is triangular and long, with a spine starting around its midpoint fin and extending far out. The second dorsal fin is also long, but is lower. Like all members in its genus, the species lacks an anal fin.
The newly hatched ghost shark was grabbed from a depth of 1.2 kilometres (0.75 mile), Finucci said on Thursday.She said the find will give some insight into the species.