Overview information for Atlantic knifefish is currently being compiled by our editorial team.
Dorsal spines (total): 0; Dorsal soft rays (total): 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 .: elongated; Cross section: compressed.
Behavioural data for Atlantic knifefish is currently being reviewed.
Diet information for Atlantic knifefish is currently being compiled.
Reproduction data for Atlantic knifefish is currently being compiled.
Freshwater; benthopelagic. Tropical South America: known only from the type locality, Viana Lake, Pindaré-Mearim river system in Brazil.
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .
No observations yet - be the first to log one!
View all observations for Atlantic knifefish ↗Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.
Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.