| Family: |
Poeciliidae (Poeciliids), subfamily: Poeciliinae |
| Max. size: |
2.4 cm SL (male/unsexed); 3.03 cm SL (female) |
| Environment: |
benthopelagic; freshwater |
| Distribution: |
South America: known only from tributarues of the arroio dos Ratos, Jacuí basin in Rio Grande do Sul, Brazil. |
| Diagnosis: |
Dorsal soft rays (total): 7-8; Anal soft rays: 9-11; Vertebrae: 31-31. Diagnosed from its congeners by the absence of the basal process of first gonactinost. Can be differentiated from its congeners by the sexual dimorphism on number of dorsal-fin rays, males with eight rays (very exceptionally seven) and females with seven rays (very exceptionally eight) (Ref. 76852).
Description: Pectoral fin with 6-8 branched rays; longitudinal series of scales 27-29; transverse series of scales 7 (Ref. 76852). |
| Biology: |
|
| IUCN Red List Status: |
Data deficient (DD); Date assessed: 07 November 2018 Ref. (130435)
|
| Threat to humans: |
harmless |
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