Yellow encrusting sponge
# Yellow encrusting sponge

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

## 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.

