| Acestrorhamphidae (American tetras), subfamily: Hyphessobryconinae |
| 3.499 cm SL (male/unsexed) |
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benthopelagic; freshwater |
| South America: upper rio Tapajós system in Brazil. |
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Dorsal soft rays (total): 11-11; Anal soft rays: 21-24; Vertebrae: 37-38. Distinguished from all Hyphessobrycon species by the following characters: 7-8 tricuspid teeth in the inner premaxillary tooth row; 5-9 tricuspid teeth in maxilla; 18-21 anal-fin branched rays; small dark spot centered on the basal portion of the median caudal-fin rays, sometimes extending to their distal portions; humeral spot and longitudinal stripe absent; male pelvic fins with hooks; hooks sometimes present in the anal fin (Ref. 54770).
Description: Dorsal-fin rays ii,9; anal-fin rays iii,19 (iii, 18-21); pectoral-fin rays i,10 (i,10-12); pelvic-fin rays i,7 (Ref. 54770). |
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Data deficient (DD); Date assessed: 07 November 2018 Ref. (130435)
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| harmless |
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