| Family: |
Apteronotidae (Ghost knifefishes), subfamily: Apteronotinae |
| Max. size: |
21.3 cm SL (male/unsexed); 21.7 cm SL (female) |
| Environment: |
pelagic; freshwater |
| Distribution: |
South America: Brazilian and northeastern Peruvian Amazon and Venezuelan Orinoco basins. |
| Diagnosis: |
Distinguished from all congeners by having the following characters: very dark brown or purplish black live body coloration; black pectoral-, anal- and caudal-fin membranes; premaxilla with 5 long conical teeth; one row of conical teeth pointing toward the inside of the mouth of dentary; fusion of the supracleithrum and posttemporal; anterior portion of coracoid falling short of the anterior edge of the cleithrum; absence of a prominent tri-lobed structure on the lower lip (Ref. 75769). |
| Biology: |
Found only in channels and major side branches of large whitewater and blackwater rivers (Ref. 75769). |
| IUCN Red List Status: |
Not Evaluated (N.E.) Ref. (130435)
|
| Threat to humans: |
harmless |
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