Sponge, Definition, Features, Reproduction, & Facts

Sponge, any of the primitive multicellular aquatic animals that constitute the phylum Porifera. They number approximately 5,000 described species and inhabit all seas, where they occur attached to surfaces from the intertidal zone to depths of 8,500 metres (29,000 feet) or more. The members of one

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An annotated and illustrated identification guide to common mesophotic reef sponges (Porifera, Demospongiae, Hexactinellida, and Homoscleromorpha) inhabiting Flower Garden Banks National Marine Sanctuary and vicinities

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No taxonomy needed: Sponge functional morphologies inform about environmental conditions - ScienceDirect

Sea Sponge: Interesting Facts with Pictures - Ocean Info

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Sponge, Definition, Features, Reproduction, & Facts