Polymastia fusca

Polymastia fusca
Scientific classification
Kingdom:	Animalia
Phylum:	Porifera
Class:	Demospongiae
Order:	Polymastiida
Family:	Polymastiidae
Genus:	Polymastia
Species:	P. fusca
Binomial name
	Polymastia fusca; Bergquist, 1961

Polymastia fusca is a species of sea sponge belonging to the family Polymastiidae. It is found in shallow subtidal habitats in the far north of North Island, New Zealand.

This firm-textured sponge grows up to 20 cm across, often encrusting its substrate. The outer layer is very dark brown, contrasting with a much paler yellow or orange interior. The whole surface is covered in , those at the centre markedly taller than those at the periphery.

References[]

Michelle Kelly-Borges & Patricia R. Bergquist (1997). "Revision of Southwest Pacific Polymastiidae (Porifera: Demospongiae: Hadromerida) with descriptions of new species of Polymastia Bowerbank, Tylexocladus Topsent, and Acanthopolymastia gen. nov. from New Zealand and the Norfolk Ridge, New Caledonia" (PDF). . 31 (3): 367–402. doi:10.1080/00288330.1997.9516772.^{[permanent dead link]}

This article about a demosponge is a stub. You can help Wikipedia by .