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The dwarf lanternshark (Etmopterus perryi) is a species of dogfish shark in the family Etmopteridae and is the smallest shark in the world, reaching a maximum known length of 20 cm (8 in). It is known to be present only on the upper continental slopes off Colombia and Venezuela , at a depth of 283–439 m (928–1,440 ft).
Etmopterus marshae Ebert & Van Hees (Marsha's lanternshark) [12] Etmopterus molleri (Whitley, 1939) (Moller's lanternshark or also Slendertail lanternshark) Etmopterus perryi S. Springer & G. H. Burgess, 1985 (dwarf lanternshark) Etmopterus polli Bigelow, Schroeder & S. Springer, 1953 (African lanternshark) Etmopterus princeps Collett, 1904 ...
The Etmopteridae are a family of sharks in the order Squaliformes, commonly known as lantern sharks.Their name comes from the presence of light-producing photophores on their bodies.
The velvet belly lanternshark (or simply velvet belly) (Etmopterus spinax) is a species of dogfish shark in the family Etmopteridae. One of the most common deepwater sharks in the northeastern Atlantic Ocean , the velvet belly is found from Iceland and Norway to Gabon and South Africa at a depth of 20–2,490 m (66–8,169 ft).
The slendertail lanternshark or Moller's lanternshark (Etmopterus molleri) is a shark of the family Etmopteridae found in the western Indian Ocean between latitudes 34°N and 46°S at depths between 250 and 860 m. [2] It can grow up to 46 cm in length. [2] Reproduction is presumed to be ovoviviparous. [2]
It migrates vertically daily, spending the day in deep water and the night in shallower water. One of the smallest shark species, the smalleye pygmy shark is known to reach only 22 cm (8.7 in) long. One of the smallest shark species, the smalleye pygmy shark is known to reach only 22 cm (8.7 in) long.
The smooth lanternshark or slender lanternshark (Etmopterus pusillus) is a species of dogfish shark in the family Etmopteridae, found widely in the Atlantic and Pacific Oceans. It inhabits benthic environments at a depth of 274–1,000 m (899–3,281 ft), and pelagic environments at a depth of 0–708 m (0–2,323 ft).
The pygmy shark (Euprotomicrus bispinatus), the second-smallest of all the shark species after the dwarf lanternshark, is a squaliform shark of the family Dalatiidae, the only member of the genus Euprotomicrus. [2] Their lengths are up to about 25 cm (10 in) for females and about 22 cm (8.7 in) for males. [3]