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Four new species of carnivorous sponges: Adapting to life in the deep sea

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Published on Apr 14, 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.

For more information visit:

MBARI's news release:
http://www.mbari.org/news/news_releas...

Lundsten, L., Reiswig, H.M., and Austin, W.C. (2014). Four new species of Cladorhizidae (Porifera, Demospongiae, Poecilosclerida) from the Northeast Pacific. Zootaxa 3786 (2): 101--123. http://www.biotaxa.org/Zootaxa/articl...

We thank the Shape of Life for use of fluorescent dye video footage (http://www.shapeoflife.org/ & https://www.facebook.com/theshapeoflife) and Inge Chiles (http://music.iloveings.com) for original music composition.

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