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Melamphaes pachystomus Kotlyar, 2011 |
| Family: | Melamphaidae (Bigscale fishes or ridgeheads) | |||
| Max. size: | 7.15 cm SL (male/unsexed) | |||
| Environment: | bathypelagic; marine; depth range 900 - 1000 m | |||
| Distribution: | Southeast Pacific: Peruvian coast. | |||
| Diagnosis: | Dorsal spines (total): 3-3; Dorsal soft rays (total): 14-15; Anal spines: 1-1; Anal soft rays: 8-8; Vertebrae: 28-29. The species is characterized by the following: first gill arch with 22 rakers; total vertebrae 28-29, 11 abdominal and the haemal arch of the first caudal vertebra is without a spur; D III,14-15; P15; ventral fin with 7 soft rays; ventral fin starts under the vertical line of the posterior margin of the pectoral fin basement; anal fin starts after the vertical line of the last ray of the dorsal fin; operculum with 4 scales (Ref. 87970). | |||
| Biology: | ||||
| IUCN Red List Status: | Data deficient (DD); Date assessed: 30 December 2019 Ref. (130435) | |||
| Threat to humans: | harmless | |||