Megalops

Meg"a*lops (mĕg"ȧ*lŏps), n. [NL., fr. Gr. me`gas, - a`loy, large + 'w`ps eye.] (Zoöl.) 1. A larva, in a stage following the zoëa, in the development of most crabs. In this stage the legs and abdominal appendages have appeared, the abdomen is relatively long, and the eyes are large. Also used adjectively.

2. A large fish; the tarpum.