Animal Database

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Animal Database
Animal Database
Brain Sponge
Brain coral
Range West Coast of South Africa
Scientific Classification
Kingdom Animalia
Phylum Porifera
Class Demospongiae
Order Poecilosclerida
Family Isodictyidae
Genus Isodictya
Species I. elastica

The Brain sponge, (Isodictya elastica) is a species of marine demosponge in the family Isodictyidae. This sponge is known from the west coast of South Africa to Port Elizabeth. It is endemic to this region.


The brain sponge may grow to 20 cm across. It has a smooth surface, covered with many scattered oscula. It may be beige to pink in colour and grows in two forms: one massive and convoluted, rather like a brain, and the other with narrowing fingers. Its texture is soft and compressible.


This sponge lives on rocky reefs subtidally to 25m.