truttaceous

from The Collaborative International Dictionary of English v.0.48

Truttaceous \Trut*ta"ceous\, a. [LL. trutta a trout, L. tructa.
   See {Trout}.] (Zool.)
   Of, pertaining to, or resembling, a trout; as, fish of the
   truttaceous kind.
   [1913 Webster]