The Collaborative International Dictionary of English v.0.48:

Chimaera \Chi*m[ae]"ra\, n. [NL. See Chimera.] (Zool.)
   A cartilaginous fish of several species, belonging to the
   order Chimaeriformes of the class Holocephali. The teeth
   are few and large. The head is furnished with appendages, and
   the tail terminates in a point.
   [1913 Webster]

   Note: Note: more information and an image is available at: [a

         href="http:]/www.fishbase.org/Summary/SpeciesSummary.cfm?genusname=Chimaera&speciesname=monstrosa">Fishbase
         - chimaera.
         [PJC]