Yellow Tube Sponge

Aplysina fistularis

Soft-walled tubes, usually in clusters joined at the base. Length of tubes up to 120 cm. In deeper water, the tubes tend to become longer than at shallow places. The surface is finely conulose and does not show the deep and meandering grooves of Aplysina lacunosa .

Source: http://species-identification.org/species.php?species_group=caribbean_diving_guide&id=436
Yellow Tube Sponge - Aplysina fistularis, Turneffe Island Atoll, Belize  Aplysina fistularis,Belize,CCFS,Calabash Caye Field Station,ERI,Environmental Research Institute,Turneffe,Turneffe Island Atoll,Yellow Tube Sponge

Distribution

Abundant in the Caribbean, from Florida to Venezuela.
Tube Sponge  Aplysina fistularis,Geotagged,St Vincent and the Grenadines,Summer,Yellow Tube Sponge

Habitat

Inhabit reefs in open water areas and are often growing on vertical walls.

References:

Some text fragments are auto parsed from Wikipedia.

Status: Unknown
EX EW CR EN VU NT LC
Taxonomy
KingdomAnimalia
DivisionPorifera
ClassDemospongiae
OrderVerongida
FamilyAplysinidae
GenusAplysina
Species