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This fangtooth (Anoplogaster cornuta) was photographed by MBARI's ROV Ventana about 800 meters (2,600 feet) below the surface of Monterey Bay. Although it looks fierce, this fish is only about 12 centimeters (five inches) long. Like many deep-sea predators, it may drift in the darkness for weeks at a time, waiting for prey to swim by. The fangtooth's short fins suggest that it has evolved to turn quickly and lunge forward to attack any prey that swims past in the darkness. Its oversized mouth and teeth help it grab and hold onto fish and squid almost as large as itself. These unique adaptations and feeding strategies appear to be quite successful, because the fangtooth is found in deep waters around the world.

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