Spicules are absent.
They are leuconoid sponges, which means that water enters chambers where food is filtered out by choanocytes (collar cells).
They are a common reef sponge.
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| The commercial sponge has a spongin skeleton of close meshed, interconnected silken protein. Spicules are absent. They are leuconoid sponges, which means that water enters chambers where food is filtered out by choanocytes (collar cells). They are a common reef sponge.
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