| Family: |
Melamphaidae (Bigscale fishes or ridgeheads) |
| Max. size: |
12.1 cm SL (male/unsexed) |
| Environment: |
bathypelagic; marine; depth range 0 - 3263 m |
| Distribution: |
North Pacific Ocean. |
| Diagnosis: |
Dorsal spines (total): 3-3; Dorsal soft rays (total): 12-13; Anal spines: 1-1; Anal soft rays: 9-9; Vertebrae: 27-29. This species is distinguished by the following characters: spined posterior and lower margins of the praeoperculum with an unspined notch in the angular part of it; insertion of ventral fins at the level of the vertical of the posterior margin of the pectoral fin insertion; upper jaw extends beyond the vertical of posterior eye margin; soft rays 12-13 in dorsal fin, 9-10 in anal fin; first branchial arch with 27-30 rakers; vertebrae 27-29; pyloric caeca 7 (Ref. 83719). |
| Biology: |
This was caught by non-closing fishing gear in water horizons of 1000-0 to 2000-0 m (Ref. 83719). |
| IUCN Red List Status: |
Least Concern (LC); Date assessed: 30 December 2019 Ref. (130435)
|
| Threat to humans: |
harmless |
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