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Nansenia longicauda Kawaguchi & Butler, 1984 |
| Family: | Microstomatidae (Pencil smelts) | |||
| Max. size: | 13.3 cm SL (male/unsexed) | |||
| Environment: | bathypelagic; marine; depth range 400 - 1100 m | |||
| Distribution: | Pacific and Atlantic. | |||
| Diagnosis: | Dorsal soft rays (total): 10-11; Anal soft rays: 9-11; Vertebrae: 47-50. Branchiostegal rays 4. Slender caudal peduncle with the least depth of which is 4.3-5.6 % SL. Longer snout of 2.3-4.1 % SL (Ref. 5123). | |||
| Biology: | Mesopelagic (Ref. 58302). | |||
| IUCN Red List Status: | Data deficient (DD); Date assessed: 10 July 2014 Ref. (130435) | |||
| Threat to humans: | harmless | |||