piscivorous

from WordNet (r) 3.0 (2006)

piscivorous
    adj 1: feeding on fishes

from The Collaborative International Dictionary of English v.0.48

Piscivorous \Pis*civ"o*rous\, a. [L. piscis a fish + vorare to
   devour: cf. F. piscivore.] (Zool.)
   Feeding or subsisting on fish.
   [1913 Webster]