Poromitra macrophthalma (Gilchrist, 1903)

Family:  Melamphaidae (Bigscale fishes or ridgeheads)
Max. size:  4.5 cm SL (male/unsexed)
Environment:  bathypelagic; marine; depth range 0 - 3124 m
Distribution:  Indo-Pacific: tropical and subtropical Indian Ocean and the Pacific.
Diagnosis:  Dorsal spines (total): 2-3; Dorsal soft rays (total): 10-11; Anal spines: 1-1; Anal soft rays: 8-9; Vertebrae: 28-30. The species is distinguished by the following characters: lower margin of praeoperculum spinulated, posterior margin of the praeoperculum usually unspinulated or in a small number of fish there can be one spinule on it; insertion of ventral fins in front of the vertical of the posterior margin of the pectoral fin insertion; upper jaw not reaching the vertical of the posterior margin of the eye; D II-III,10-11; A I,8-9; first branchial arch 21-24 rakers; vertebrae 28-30; pyloric caeca 4-5 (Ref. 84090).
Biology: 
IUCN Red List Status: Least Concern (LC); Date assessed: 28 December 2019 Ref. (130435)
Threat to humans:  harmless


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