chimaera

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chimaera (ratfish or ghost shark) One of about 28 species of cartilaginous, deep-sea fish with a long, poisonous, dorsal spine and a slender tail. An oil, derived from its liver, is used as a lubricant. Length: 60cm–2m (23–80in). Families Chimaeridae, Collorhinchidae and Rhinochimaeridae. The term also refers to an animal formed from several different embryos.

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