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Astyanax joaovitori Oliveira, Pavanelli & Bertaco, 2017 |
| Family: | Acestrorhamphidae (American tetras), subfamily: Acestrorhamphinae | |||
| Max. size: | 7.7 cm SL (male/unsexed) | |||
| Environment: | benthopelagic; freshwater | |||
| Distribution: | South America: Upper rio Araguaia and some tributaries in Mato Grosso State, Brazil. | |||
| Diagnosis: | Dorsal soft rays (total): 10-11; Anal soft rays: 19; Vertebrae: 33-34. Astyanax joaovitori is distinguished from its congeners belonging to the A. scabripinnis species complex by the following combination of characters: lateral dark stripe beginning immediately behind the upper margin of the opercle; presence of a single vertical humeral dark blotch; a scattered pattern of dark chromatophores below lateral line, at the abdominal region; anal fin with 15 to 20 branched rays; 33 to 36 perforated scales on lateral line; dentary teeth decreasing abruptly in size from the fourth or fifth tooth onwards; and 13 or 14 scales around caudal peduncle (Ref. 116165). | |||
| Biology: | ||||
| IUCN Red List Status: | Not Evaluated (N.E.) Ref. (130435) | |||
| Threat to humans: | harmless | |||