Anaerobic Metazoans Found In Mediterranean Sea

Three new species of anaerobic multicellular organisms have been discovered deep under the Mediterranean Sea. The small animals, new members of the group Loricifera, live their entire lives without oxygen and surrounded by 'poisonous' sulphides. Researchers writing in BMC Biology report the existence of multicellular organisms, showing that they are alive, metabolically active, and apparently reproducing in spite of a complete absence of oxygen. Sediment samples from a deep hypersaline anoxic basin (DHABs) of the Mediterranean Sea revealed evidence for the new organisms' existence. read more

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