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Rhamphichthys atlanticus Triques, 1999 Atlantic knifefish |
| Family: | Rhamphichthyidae (Sand knifefishes) | |||
| Max. size: | 67.3 cm SL (male/unsexed) | |||
| Environment: | benthopelagic; freshwater | |||
| Distribution: | South America: known only from the type locality, Viana Lake, Pindaré-Mearim river system in Brazil. | |||
| Diagnosis: | Dorsal spines (total): 0-0; Dorsal soft rays (total): 0-0. Anal fin uniform light brown, not hyaline, without dark bars or lines or any other kinds of marks on it. Membranous, wide swim-bladder, with visceral organs overlapping it laterally in part or completely. No caudal fin (Ref. 35403). | |||
| Biology: | ||||
| IUCN Red List Status: | Data deficient (DD); Date assessed: 01 March 2007 Ref. (130435) | |||
| Threat to humans: | harmless | |||