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Tetronarce tokionis (Tanaka, 1908) Trapezoid torpedo |
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photo by
Shao, K.T. |
| Family: | Torpedinidae (Electric rays) | |||
| Max. size: | 69.3 cm TL (male/unsexed) | |||
| Environment: | demersal; marine; depth range 220 - 1100 m | |||
| Distribution: | Northwest Pacific: Japan and Taiwan. | |||
| Diagnosis: | ||||
| Biology: | Inhabits shelf edges to about 1000 m (Ref. 41299). Ovoviviparous (Ref. 50449). Maturity size of males at ca. 68 cm TL; birth size at ca. 20 cm TL (Ref. 114953). Reported to be infrequently captured as by-catch, but of no commercial importance (Ref. 94813). | |||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 29 August 2019 Ref. (130435) | |||
| Threat to humans: | harmless | |||