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Chimaera
Cartilaginous fish in the order Chimaeriformes / From Wikipedia, the free encyclopedia
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This article is about the cartilaginous fish order. For the namesake genus, see Chimaera (genus). For the mythological beast, see Chimera (mythology). For other uses, see Chimera.
"Ghost shark" redirects here. For the film, see Ghost Shark (film).
Chimaeras[1] are cartilaginous fish in the order Chimaeriformes (/kɪˈmɛrɪfɔːrmiːz/), known informally as ghost sharks, rat fish, spookfish, or rabbit fish; the last three names are not to be confused with rattails, Opisthoproctidae, or Siganidae, respectively.
Quick Facts Scientific classification, Subgroups ...
Chimaeras | |
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Hydrolagus colliei (Chimaeridae) | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Chondrichthyes |
Subclass: | Holocephali |
Order: | Chimaeriformes Obruchev, 1953 |
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At one time a "diverse and abundant" group (based on the fossil record), their closest living relatives are sharks and rays, though their last common ancestor with them lived nearly 400 million years ago.[2] Living species are largely confined to deep water.[3]