Xestospongia testudinaria

Information:
Phylum: PORIFERA
Order: PETROSIIDA
Class: DEMOSPONGIAE
Family: PETROSIIDAE
Species: Xestospongia testudinaria
Common Name: Barrel sponge

Dive Info:
locality: Cebu. Ponson Island. Pilar. Philippines. Pilar Point.
depth: 11 m.
date: 3/26/2005
Photographer: Guido Poppe