Monognathus smithi Bertelsen & Nielsen, 1987
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Family:  Monognathidae (Onejaws)
Max. size:  7.2 cm TL (male/unsexed)
Environment:  bathypelagic; marine; depth range 4201 - 5800 m
Distribution:  North Pacific: Central North Pacific gyre, approximately 31°N, 159'W.
Diagnosis:  Dorsal soft rays (total): 75-102; Anal soft rays: 55-63. The available specimens of M. smithi differ from all other specimens of a similar total length (6.8-7.2) within the genus by the long skull 7.0-7.6% TL and long lower jaw 11.8-12.5% TL. Furthermore, it is distinguished by the following combination of characters: head long with elongate, pointed snout slightly upturned, rostral fang strongly hooked with distal part in a nearly right angle to dorsal profile of skull, preanal 36.0-37.5% TL, and at least 7 teeth in jaw (Ref. 34506).
Biology:  The holotypes and paratypes of M. smithi were caught in the water column in a closing net at 4200 and 5200 m, with a sounding at 5800 m (Ref. 34506).
IUCN Red List Status: Data deficient (DD); Date assessed: 13 August 2019 Ref. (124695)
Threat to humans:  harmless
Country info:   

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