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Electrophorus voltai de Santana, Wosiacki, Crampton, Sabaj, Dillman, Castro e C., Bastos & Vari, 2019 |
| Family: | Gymnotidae (Naked-back knifefishes), subfamily: Electrophorinae | |||
| Max. size: | 171.1 cm TL (male/unsexed) | |||
| Environment: | benthopelagic; freshwater | |||
| Distribution: | South America: generally in the north-flowing rivers of the Brazilian shield and south-flowing rivers of the Guyana shield. Occurs with Electrophorus varii in some streams in the Guiana Shield (Ref. 120918). | |||
| Diagnosis: | This species differs from E. electricus by having a ventral outline of head ovoid, widest anterior to branchial opening (vs. U-shaped) and with 112-146 lateral-line pores (vs. 88-101); differs from E. varii by having the skull depressed (vs. deep), cleithrum lies between vertebrae 5 and 6 (vs. between vertebrae 1 and 2), wide head (vs. narrow); distance between medial margins of contralateral dentaries at transverse through last two ventral pores 2-3 times longer in E. voltai than E. varii; low-voltage electric organ discharges or EOD duration 1.72 ms; high-voltage EOD 860 V at 121.9 cm TL (Ref. 120918). | |||
| Biology: | ||||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 08 July 2021 Ref. (130435) | |||
| Threat to humans: | harmless | |||