Meaning of medusafish

me•du•sa•fish

Pronunciation: (mu-d'su-fish", -zu-, -dy'-), [key]
— pl. -fish•es, -fish.
  1. a stromateid fish, Icichthys lockingtoni, of deep waters off the coast of California, living as a commensal in and about medusas.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.