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Monognathus bertini Bertelsen & Nielsen, 1987 |
| Family: | Monognathidae (Onejaws) | |||
| Max. size: | 10.3 cm TL (male/unsexed) | |||
| Environment: | bathypelagic; marine | |||
| Distribution: | Northeast and Southeast Atlantic. Also known from the Southwest Pacific. | |||
| Diagnosis: | Dorsal soft rays (total): 91-98; Anal soft rays: 43-58. M. bertini differs from all other species of the genus by the great distance between anal fin origin and anus (13-19 myomeres). It is further distinguished by the following combination of characters: head short, snout relatively long, skull length 3.6-4.9% TL, rostral fang with dorsal profile slightly convex forming an almost straight line with frontal part of skull, dorsal fin origin above myomere number 5-7, pectoral fin 5.3-10.5% TL and no lateral, subdermal spots of pigmentation (Ref. 34506). | |||
| Biology: | All specimens were caught in the water column far above the bottom (Ref. 34506). | |||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 11 October 2018 Ref. (130435) | |||
| Threat to humans: | harmless | |||