| Family: |
Apteronotidae (Ghost knifefishes), subfamily: Apteronotinae |
| Max. size: |
26.1 cm TL (male/unsexed) |
| Environment: |
benthopelagic; freshwater |
| Distribution: |
South America: Parana River basin. |
| Diagnosis: |
Dorsal spines (total): 0-0; Dorsal soft rays (total): 0-0; Anal spines: 0-0; Anal soft rays: 166-178; Vertebrae: 80-90. Distinguished by its congeners by the following combination of features: length from the tip of the snout to the posterior end of the anal-fin base 92.4-94.4 %TL; mouth length 5.9-7.3 %HL; distance between anterior and posterior nares 2.6-3.1 %HL; eye diameter 3.1-4.1 %HL; postocular distance 40.0-44.4 %HL; pectoral fin length 35.5-41.3 %HL; scales always present above lateral line along anterodorsal region of body; unbranched anterior anal-fin rays 18-22; a white to yellowish white (sometimes indistinct) band on frontal portion of head and middorsum; and pectoral and anal fins hyaline to translucent, without dark distal margins; small ellipsoid caudal fin with 13-15 rays (Ref. 36352). |
| Biology: |
|
| IUCN Red List Status: |
Data deficient (DD); Date assessed: 18 May 2022 Ref. (130435)
|
| Threat to humans: |
harmless |
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