A tunicate - these animals are closely related to vertebrates. Theyare called hemi-chordates.
12/17/2018 3:24:16 PM
Photographer: Dr. Dwayne Meadows
Affiliation: NOAA/NMFS/OPR
Date: 2006 late September
Location: Federated States of Micronesia, Chuuk
Subject: Coral Reefs