| 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. High Seas only. |
| 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. (130435)
|
| Threat to humans: |
harmless |
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