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Author: (Boulenger, 1889)

Lestidiops jayakari (Boulenger, 1889)

Diagnosis: body elongate, head about 4 1/2 times in SL; snout a little less than half head length. Dorsal fin short, a little behind midpoint of body, with 9-10 finrays; a short adipose dorsal fin near tail; pectoral finrays 11-12; pelvic fins distinctly before dorsal fin origin, with 9 finrays; anal fin far back, with 28-33 finrays and an adipose fin in front as far as anus, which is below or behind dorsal fin origin. Body naked except for lateral line scales. Vertebrae 76-85. Colour: light, with dark dorsal band formed of many irregular lines of minute pigment cells and some larger melanophores (but not in contact with lateral line). Size: known to 16.9 cm.

Habitat: epi- to bathypelagic, adults and adolescents at 200 to more than 2,000 m (mainly 300-600 m), larval and juvenile stages in upper 200 m. Food: presumably carnivorous, but diet unknown. Reproduction: throughout year in tropical and subtropical waters.

Distribution: tropical and temperate waters. Elsewhere, worldwide in tropical and temperate waters, but not recorded in south-eastern Pacific.

Note: two species and two subspecies, as presently recognized, seem to be part of the jayakari-complex, but revisionary work is badly needed.

Subspecies:

Lestidiops jayakari jayakari
Eggs, larvae and young stages. No data.
Otoliths (sagitta). No data.

Lestidiops jayakari pseudosphyraenoides
Eggs, larvae and young stages. Ege, 1930: 75-81 | Rofen, 1966: 351-354.
Otoliths (sagitta). No data.

Lestidiops jayakari