| Family: |
Melamphaidae (Bigscale fishes or ridgeheads) |
| Max. size: |
9.9 cm SL (male/unsexed) |
| Environment: |
bathypelagic; marine; depth range 0 - 2000 m |
| Distribution: |
Eastern Pacific Ocean: southern part of Gulf of Panama to Ecuador. |
| Diagnosis: |
Dorsal spines (total): 3-3; Dorsal soft rays (total): 12-13; Anal spines: 1-1; Anal soft rays: 9-9; Vertebrae: 28-31. This species is distinct in having large spines at the posterior and lower margins of the praeoperculum; angular part of praeoperculum with an unspined notch; ventral fins insertion is at the level or slightly behind the vertical of the posterior margin of the pectoral fin insertion; upper jaw extends to the vertical of the posterior eye margin; soft rays in the dorsal fin 12, anal fin 9; first branchial arch with 28-31 rakers; vertebrae 28-31; pyloric caeca 7-8 (Ref. 83719). |
| Biology: |
|
| IUCN Red List Status: |
Least Concern (LC); Date assessed: 30 December 2019 Ref. (130435)
|
| Threat to humans: |
harmless |
| Country info: |
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