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Polymastia hirsuta is a species of sea sponge belonging to the family Polymastiidae. It is found in various subtidal habitats in the far north of North Island, New Zealand.
This is a usually circular sponge up to 7 cm in diameter. This rather distinctive species is generally brown and silt-covered but with prominent papillae appearing as bright yellow, silt-free lumps over the whole surface.
Polymastia hirsuta is a species of sea sponge belonging to the family Polymastiidae. It is found in various subtidal habitats in the far north of North Island, New Zealand.
This is a usually circular sponge up to 7 cm in diameter. This rather distinctive species is generally brown and silt-covered but with prominent papillae appearing as bright yellow, silt-free lumps over the whole surface.
