You can identify a Yellow Tube Sponge (Aplysina fistularis) by its one or more tube-like yellowish or sometimes orange-brown structures. Its color depends on the depth it exists in. The bottom of the tubes are closed, but the tops are open, providing suitable habitat for invertebrates.
Yellow Tube Sponge (Aplysina fistularis) - Spanglers' Scuba
Yellow Tube Sponge (Aplysina fistularis) Dimensions & Drawings
Yellow Tube Sponge Aplysina fistularis. Coral reef underwater
Aplysina fistularis los roques - venezuela Yellow Tube Sponge Wood
Yellow tube sponge a coral reef, Cayman Islands' Photographic
Yellow Tube Sponge (Aplysina fistularis) Dimensions & Drawings
Yellow Tube Sponge (Aplysina fistularis) Dimensions & Drawings
Reef scenery, Yellow tube sponge (Aplysina fistularis)coral fire
Yellow Tube Sponge (Aplysina Fistularis), Dominica, West Indies
Aplysina fistularis los roques - venezuela Yellow Tube Sponge #2 Photograph by Organizacion Bluewater
Aplysina fistularis los roques - venezuela Yellow Tube Sponge #2 by Organizacion Bluewater
Nature in Stock
NativeMirror - Yellow Tube Sponge Coral 2
Photo Aplysina fistularis, yellow tube sponge Image #3240072
Yellow Tube Sponge - Aplysina fistularis - Common Sponges