Description The "giant red mysid," Gnathophausia ingens (also known as Neognathophausia ingens), grows to be three or four inches long. This shrimp-like crustacean was photographed by ROV Tiburon at around 900 meters (3,000 feet) below the sea surface, over the outer part of Monterey Canyon, where the water contains very little dissolved oxygen. Its bright red color looks black in the dim blue light of the deep-sea. It eats particles of debris and small dead organisms sinking down toward the seafloor. If attacked or startled, it emits a glowing liquid that may startle or distract hungry predators
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