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
Country info:   
 


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