ichthyologist

from WordNet (r) 3.0 (2006)

ichthyologist
    n 1: a zoologist who studies fishes

from The Collaborative International Dictionary of English v.0.48

Ichthyologist \Ich`thy*ol"o*gist\, n. [Cf. F. ichthyologiste.]
   One versed in, or who studies, ichthyology.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

22 Moby Thesaurus words for "ichthyologist":
      animal physiologist, anthropologist, biologist, conchologist,
      ecologist, entomologist, ethologist, helminthologist,
      herpetologist, malacologist, mammalogist, ophiologist,
      ornithologist, protozoologist, taxidermist, zoo-ecologist,
      zoographer, zoologist, zoonomist, zoopathologist, zoophysicist,
      zootaxonomist