. . . . . "DD" . . . "Dwarf lanternshark"@en . . . "IUCN3.1" . "The dwarf lanternshark (Etmopterus perryi) is a little-known species of dogfish shark in the family Etmopteridae and possibly the smallest shark in the world, reaching a maximum known length of 21.2 cm (8.3 in). It is known to be present only on the upper continental slopes off Colombia and Venezuela, at a depth of 283\u2013439 m (928\u20131,440 ft). This species can be identified by its small size at maturity, long flattened head, and pattern of black ventral markings and a mid-dorsal line."@en . .