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Four New Species Of Carnivorous Sponges Discovered

April 16, 2014

This video describes four new species of carnivorous sponges from the Northeast Pacific Ocean that were discovered by MBARI scientists. Carnivorous feeding in sponges is an adaption to the food poor deep-sea environment, where filter feeding — the typical way sponges feed — is energetically expensive. Instead, these sponges trap small crustaceans with microscopic hooks. Once trapped, sponge cells mobilize, engulf the prey, and rapidly digest it. In addition to consuming small crustacean prey, one of these species appears to be consuming methane-oxidizing chemosynthetic bacteria.

Credit: MBARI

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