Home > Invertebrates > Jellyfishes > Coeloplanidae

Updated 12/18/2013

Family Coeloplanidae

Benthic animals that resemble flatworms, this group live on hard surfaces or sea urchin spines where the extend filamentous tentacles to capture plankton.  Probably common but rarely seen because of their thin body and excellent camouflage.

See Claudia Mills' site for more information on Ctenophores


Various Species

Wailupe, Oahu, 3 feet

Coeloplana bannwarthi

Malaekahana, Oahu, 4 feet


Malaekahana, Oahu, 4 feet


Vallicula multiformis

Kaneohe Bay, Oahu, 2 feet


Coeloplana bannwarthi

Magic Island, Oahu, 25 feet


Cryptic in nature, usually only its feathery tentacles are visible.  Attached to seaweeds or sea urchin spines in shallow water.