Azure Vase Sponge

''Callyspongia vaginalis'', known as the branching vase sponge is a demosponge.

This species is frequently colonized by ''Parazoanthus parasiticus'', a colonial anenome, and ''Ophiothrix suensonii'', a brittle star. It feeds on plankton and detritus. The color of ''C. vaginalis'' is variable, ranging from lavender to brownish-gray to greenish-gray and sometimes light tan.

''C. vaginalis'' usually has a tubular growth pattern, although the magnitude of the current affects its.. more