Source: FAO 2002
| Family | Scientific Name | Author | Year | Common Name |
| Etmopteridae | Etmopterus gracilispinis | Krefft | 1968 | Broadband Lantern Shark |
Etmopterus gracilispinis
Unique Characters: Small sharks with cylindrical or slightly compressed bodies, without ridges between pectoral and pelvic fins and without precaudal pits and caudal keels. Body and fins greyish to blackish brown, usually with conspicuous black marks and luminescent organs on abdomen, over pelvic-fin bases, on caudal peduncle, and on caudal-fin base. Two dorsal fins with a long strong grooved spine present on their anterior margins; dorsal fins small, angular, and with straight to strongly concave posterior margins; first dorsal fin usually smaller than second dorsal fin. Head with 5 gill slits, all anterior to pectoral fins, the fifth not abruptly longer than the others; spiracles always present, large and just behind eyes. Eyes on sides of head, without nictitating eyelids.
Similar Species: None.
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