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Ageneiosus apiaka Ribeiro, Rapp Py-Daniel & Walsh, 2017 |
| Family: | Auchenipteridae (Driftwood catfishes), subfamily: Auchenipterinae | |||
| Max. size: | 20.34 cm SL (male/unsexed) | |||
| Environment: | pelagic; freshwater | |||
| Distribution: | South America: Brazil. | |||
| Diagnosis: | Anal soft rays: 40-42; Vertebrae: 47-48. This species can be distinguished by the following set of characters: D I,6; A 40-42 (mode 42); P I,12-14 (mode 12); pelvic fin i,6; total vertebrate 47 or 48; GR 13-16 (mode 14) on anterolateral margin of first branchial arch; caudal fin deeply forked, with pointed lobes; reduced and ossified gas bladder; presence of epaxial musculature covering tympanic area; robust, rigid and sharp pectoral spine; upper jaw extending anterior to the lower jaw by a distance less than the horizontal eye diameter. Colouration: body light in color with a dark stripe extending dorsolaterally from origin of dorsal-fin base to caudal-fin base, usually extending to the middle portion of dorsal lobe of caudal fin; dorsal portion behind eyes, frontals and most of the snout is dark; pectoral fin hyaline to completely dark; pelvic fin hyaline or lightly pigmented by scattered melanophores; anal fin hyaline, usually yellowish at base; caudal fin hyaline, generally yellowish at base, sometimes with scattered pigment on base of caudal-fin lobes (Ref. 124585). | |||
| Biology: | ||||
| IUCN Red List Status: | Not Evaluated (N.E.) Ref. (130435) | |||
| Threat to humans: | harmless | |||