Yellow encrusting sponge explained

The yellow encrusting sponge (Biemna anisotoxa) is a species of sea sponge in the family Biemnidae.^[1] This sponge is known from the west coast of South Africa to Port Elizabeth. It is endemic to this region.^[2]

Description

The yellow encrusting sponge is beige-yellow and grows in crusts of up to 1 cm thick. It has small but distinct oscula which may be slightly raised from the surface of the sponge.

Habitat

This sponge lives on rocky reefs and other hard surfaces from 10-12m.^[3]

Notes and References

1. Web site: WoRMS - World Register of Marine Species - Biemna anisotoxa Lévi, 1963 . www.marinespecies.org . 25 November 2010.
2. Samaai, T. and Gibbons, M.J. 2005. Demospongiae taxonomy and biodiversity of the Benguela region on the west coast of South Africa. Afr. Nat. Hist. 1(1):1-96
3. Jones, Georgina. A field guide to the marine animals of the Cape Peninsula. SURG, Cape Town, 2008.