| Family: |
Anablepidae (Four-eyed fishes, onesided livebearers & white-eye), subfamily: Anablepinae |
| Max. size: |
5.5 cm SL (male/unsexed) |
| Environment: |
pelagic; freshwater |
| Distribution: |
South America: tributaries of the lower Rio Uruguai in Brazil and Uruguay. |
| Diagnosis: |
Dorsal soft rays (total): 6-9; Anal soft rays: 10-10; Vertebrae: 30-30. Having a large dorsal convex expansion at subdistal segments of right half of sixth anal-fin ray of adult males; distinct ovoid to circular dark spots confined to ventral half of flank posterior to pelvic fins; spots gradually more circular towards midventral line; predorsal scales 13-14; series of dashes or spots on body arranged in 6-8 irregular horizontal lines, consistent midlateral pattern absent; no swelling between the urogenital opening and anterior base of anal fin in females; no distinct dark rounded spot on the dorsal pectoral-fin base (Ref. 42933). |
| Biology: |
Based on photo submitted, this species grow up to 8.0 cm TL and live for up to 7 years in captivity (P. Petersen, pers.comm. 12/2022). |
| IUCN Red List Status: |
Least Concern (LC); Date assessed: 27 April 2020 Ref. (130435)
|
| Threat to humans: |
harmless |
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