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Atlantirivulus enigmaticus Volcan, Suárez, Severo-Neto, Amorim & Costa, 2024 |
| Family: | Rivulidae (Rivulines), subfamily: Rivulinae | |||
| Max. size: | 3.5 cm SL (male/unsexed) | |||
| Environment: | benthopelagic; freshwater | |||
| Distribution: | South America: Brazil. | |||
| Diagnosis: | Dorsal soft rays (total): 8-9; Anal soft rays: 13-14 | |||
| Biology: | The species is found in marginal areas with fast flowing water 50 cm deep, occupied by submersed macrophytes. Juveniles can be found in even shallower marginal sandy habitats (Ref. 133472). | |||
| IUCN Red List Status: | Not Evaluated (N.E.) Ref. (130435) | |||
| Threat to humans: | harmless | |||