| 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 |
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