DMOZ Internet Directory : Science : Biology : Flora_and_Fauna : Animalia : Chordata : Fish : Cartilaginous : Holocephali

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The chimaeras are characterized by having tooth plates in their mouths for crushing hard food and a dorsal spine with a venom sac at its base. They are found in deep subarctic and Antarctic waters and are an evolutionary backwater.

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Chimaera: Hydrolagus affinis - Drawing and description of this curiously shaped fish and details of its range. Chimaera - Information from Wikipedia and several photographs of this fish, sometimes known as the ratfish, rabbitfish or ghost shark, and details of the six genera in three families. Australian Ghost Shark - Photograph and information on this fish, Callorhinchus milii, which is known as the elephant fish in Australia and New Zealand where it is found. Spotted Ratfish - Photographs and information from Wikipedia on this interesting species, Hydrolagus colliei, which gets its name from its pointed rat-like tail. Spotted Ratfish: Hydrolagus colliei - Two clear photographs of this species from Cold Water Images. Chimaeroids - Painting by Roy Troll of Hydrolagis trolli, a newly named species, and information on the fossil remains of ratfish from the Smoky Hill Chalk. Hydrolagus colliei (Spotted Ratfish) - Images of a preserved specimen of this species, including an enlargement of the tooth plates.

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