| Family: |
Melamphaidae (Bigscale fishes or ridgeheads) |
| Max. size: |
8.16 cm SL (male/unsexed) |
| Environment: |
bathypelagic; marine; depth range 645 - 5320 m |
| Distribution: |
Indo-Pacific: tropical waters. |
| Diagnosis: |
Dorsal spines (total): 3-3; Dorsal soft rays (total): 9-10; Anal spines: 1-1; Anal soft rays: 7-8. This species is distinguished by the following characters: spinulated posterior and lower margins of the praeoperculum with the angular part of the praeoperculum having a non-spinulated notch; insertion of the ventral fins at the level of the vertical of the posterior margin of the pectoral fin insertion, or sometimes slightly shifted anteriad in small specimens; upper jaw extends beyond the vertical of the posterior eye margin; possess the smallest eyes among other species of the genus, 10.7-17.2 times in HL; soft rays on dorsal fin 9-10, in anal fin 7-8; first branchial arch with 23-25 rakers; vertebrae 24-25; pyloric caeca 7 (Ref. 83463). |
| Biology: |
Trawled at depths greater than 800-1000 m (Ref. 4241, 83463); seined with unclosing fishing gear at 4500-0 m and with closing fishing gear at depths of 1300-645 m (Ref. 83463). |
| IUCN Red List Status: |
Least Concern (LC); Date assessed: 28 December 2019 Ref. (130435)
|
| Threat to humans: |
harmless |
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