Demosponges and homoscleromorphs

Honeycomb Sponge

Honeycomb Sponge

Crella cyathophora

Swinhoe's Sponge

Swinhoe's Sponge

Theonella swinhoei

Colonial Tube Sponge

Colonial Tube Sponge

Callyspongia siphonella

Elephant Ear Sponge

Elephant Ear Sponge

Stylissa carteri

Prickly Tube Sponge

Prickly Tube Sponge

Callyspongia crassa