sponges

yellow boring sponge

Scientific name: Cliona celata

Family: Clionidae

Phylum: Porifera

Typical size: Cup-like protrusions range 5 millimeters—1 centimeter in diameter

Depth range: 10—100 meters

Description: Bright yellow sponge that forms small, round, cup-like protrusions in clusters. 

Habitat and behavior: Found on calcareous structures in which it bores.