Laemonema melanurum

FamilyScientific NameAuthorYearCommon Name
MoridaeLaemonema melanurumGoode and Bean1896(No Common Name) Codling

Family Moridae – Body elongated, rounded in front of abdomen, more laterally flattened behind, tapering to a narrow caudal peduncle. Teeth few or lacking on roof of mouth. Two dorsal fins, the first short-based and triangular, the second long-based, its length more than half total length. Anal fin long-based, its length 1/2 of, or longer than, that of second dorsal fin. Pelvic fins thoracic, small, with 2-6 rays, the bases well separated. Caudal fin small, margin rounded to slightly forked, separated from dorsal and anal fins. Abdominal light organ in some species, seen externally as small, black naked fossa anterior to vent.

Laemonema melanurum

Unique Characters: (No Common Name) Codling Laemonema melanurum. Snout rounded. No black fossa on abdomen. Distal 2/3 of caudal fin and triangular-shaped areas at posterior end of second dorsal and anal fins prominently black with thin white outer margins. No prolonged spine on first dorsal fin; dorsal-fin rays 7+53-61. Pectoral-fin rays 25-27. Anal-fin rays 52-59.

Similar Species: Shortbeard Codling Laemonema barbatulum. Snout rounded. No black fossa on abdomen. Distal end of caudal fin blackish, but not sharply defined, no triangular black blotches on second dorsal and anal fins. A prolonged black spine on first dorsal fin. Dorsal-fin rays 6 or 7+57-63. Pectoral-fin rays 19-23. Anal-fin rays 54-63.