| Family: |
Poeciliidae (Poeciliids), subfamily: Poeciliinae |
| Max. size: |
2.41 cm SL (male/unsexed); 3.32 cm SL (female) |
| Environment: |
benthopelagic; freshwater |
| Distribution: |
South America: small coastal drainages flowing into Baía de Paranaguá in Paraná State, Brazil. |
| Diagnosis: |
Dorsal soft rays (total): 8-8; Anal soft rays: 8-10; Vertebrae: 31-32. Can be diagnosed by the following combination of characters: the female urogenital papilla
curved to the right, located laterally; border of the anal aperture in contact with the first anal-fin ray or very close to it; absence of the right hook and presence of the left one; gonopodial appendix asymmetrical, its halves different from each other, right half wider than left one; rounded tip of the hook on left half of gonopodial appendix; hook on left appendix very small; absence of a caudal peduncle spot; presence of a wide and square-shaped lateral spot in large specimens; lateral spot in adult females elliptical to roundish, but never forming a vertical bar; lateral spot always present and evident not covering more than the length corresponding to two scales length in horizontal or vertical directions (Ref. 76852).
Description: Pectoral fin with 5-6 branched rays; longitudinal series of scales 28-30; transverse series of scales 7 (Ref. 76852). |
| Biology: |
|
| IUCN Red List Status: |
Least Concern (LC); Date assessed: 07 November 2018 Ref. (130435)
|
| Threat to humans: |
harmless |
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