Polymastia fusca
Species of sponge / From Wikipedia, the free encyclopedia
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.
Quick Facts Polymastia fusca, Scientific classification ...
Polymastia fusca | |
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Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Porifera |
Class: | Demospongiae |
Order: | Polymastiida |
Family: | Polymastiidae |
Genus: | Polymastia |
Species: | P. fusca |
Binomial name | |
Polymastia fusca Bergquist, 1961 | |
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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 papillae, those at the centre markedly taller than those at the periphery.