You searched for: “trophozooid
trophozooid (s) (noun), trophozooids (pl)
A nutritive polyp or zooid in coral and similar colonial coelenterates: A trophozooid is a non-reproductive zooid in a hydrozoan colonial organism.

A trophozooid is an individual of a sexual generation of a free-swimming tunicate that does not develop into sexual maturity and does not become detached from its parent.