Monognathus boehlkei Bertelsen & Nielsen, 1987
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Family:  Monognathidae (Onejaws)
Max. size:  7 cm TL (male/unsexed)
Environment:  bathypelagic; marine; depth range 2500 - 5430 m
Distribution:  Atlantic Ocean: the holotype was caught near Bermuda and the paratypes southwest of Madeira.
Diagnosis:  Dorsal soft rays (total): 130-150; Anal soft rays: 110-130. M. boehlkei differs from all other species of the genus by the high number of anal fin rays (110-130 vs. 42-88) and by an obtuse angle between rostral fang and frontal profile of skull. It is further distinguished by the following combination of characters: head short, snout blunt, skull length4.2-5.2% TL, rostral fang with dorsal profile slightly concave, anal fin origin below dorsal fin rays number 7-13, pectoral fin 2-3% TL, lower jaw nearly straight, and 6 lateral, subdermal spots of pigmentation (Ref. 34506).
Biology:  All specimens were taken in closing nets, one between 2500 and 3500 m with a bottom depth of 4563 m and the other specimens between 10-3- m above the bottom with soundings from 2960-5430 m (Ref. 34506).
IUCN Red List Status: Data deficient (DD); Date assessed: 11 October 2018 Ref. (124695)
Threat to humans:  harmless
Country info:   

Entered by: Sa-a, Pascualita - 04.07.00

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