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Nematocharax venustus Weitzman, Menezes & Britski, 1986 |
| Family: | Acestrorhamphidae (American tetras), subfamily: Stichonodontinae | |||
| Max. size: | 5.213 cm SL (male/unsexed); 3.54 cm SL (female) | |||
| Environment: | benthopelagic; freshwater; pH range: 6 - 7.5; dH range: 10 - 20 | |||
| Distribution: | South America: Jequitinhonha River basin. | |||
| Diagnosis: | Differs from its unique congener, Nematocharax costai, by having the following characters: presence of hooks or spinules on dorsal and pelvic-fins (vs. absence); more than seven anal-fin rays with spinules (vs. five rays); absence of a long dark pink horizontal mark on the caudal peduncle (vs. presence); four or fewer supraneurals (vs. five); pelvic-fin filament pale rosy (vs. yellow) (Ref. 93323). | |||
| Biology: | ||||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 07 November 2018 Ref. (130435) | |||
| Threat to humans: | harmless | |||