A fish is any of numerous cold-blooded aquatic vertebrates of the superclass Pisces, characteristically having fins, gills, and a streamlined body and including specifically:
  a. Any of the class Osteichthyes, having a bony skeleton.
  b. Any of the class Chondrichtyhes, having a cartilaginous skeleton and including the sharks, rays, and skates.


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Listed below are direct links to abstracts of PMEL articles relating to fish beginning 1968 to the present, using PMEL's Publication Information Search Engine:

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[Last updated: 2007-07-03]