Source : Webster's Revised Unabridged Dictionary (1913)

Blennioid \Blen"ni*oid\, Blenniid \Blen"ni*id\, a. [Blenny +
   -oid] (Zo["o]l.)
   Of, pertaining to, or resembling, the blennies.

Source : WordNet®

blennioid
     n : elongated mostly scaleless marine fishes with large pectoral
         fins and reduced pelvic fins [syn: {blennioid fish}]