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Pygmy Shark
The Pygmy Shark could be argued as the second smallest species of shark because they males only reach 8.7 inches (22 cm). However the females of the species reach 10 inches (25 cm). They have a relatively wide distribution and are found in the Atlantic, Indian, and Pacific Ocean at deeps of 4921-6000 ft (1500-1829 m). They migrate vertically at night to hunt and use bioluminescent organs along its stomach to attract prey. It is believed Pygmy Sharks eat krill and small fish.
