| Monognathidae (Onejaws) |
| 5.7 cm TL (male/unsexed) |
|
bathypelagic; marine; depth range 1500 - 3910 m |
| Northeast Atlantic. |
|
Dorsal soft rays (total): 82-95; Anal soft rays: 56-60. M. nigeli differs from the other species of the genus by the following combination of characters: head long with elongate, pointed snout and almost straight jaw, skull length 6.0-7.0% TL, rostral fang strongly hooked with distal part in a neatly right angle to dorsal profile of skull, predorsal length 14.5-18.5% TL, anterior anal fin ray below dorsal fin ray nos. 15-21, and 5 lateral, subdermal spots of pigmentation (Ref. 34506). |
| Four "Discovery" specimens were taken in closing nets between 1510 and 3910 m depth, three of these 1500-2000 m, and one 23 m above the bottom. The "Vityaz" specimen was taken between 3000 m and the surface (Ref. 34506). |
|
Data deficient (DD); Date assessed: 10 July 2014 Ref. (130435)
|
| harmless |
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