Jenynsia multidentata (Jenyns, 1842)
Rio de la Plata onesided livebearer
photo by Roselet, F.F.G.

Family:  Anablepidae (Four-eyed fishes, onesided livebearers & white-eye), subfamily: Anablepinae
Max. size:  8.8 cm TL (male/unsexed); 8.6 cm SL (female); max.weight: 13.3 g
Environment:  benthopelagic; freshwater
Distribution:  South America: Rio de Janeiro, Brazil to northern Argentina.
Diagnosis:  Dorsal soft rays (total): 8-9; Anal soft rays: 10-10. (1) round or short, horizontal dash-shaped markings on sides that form approximately five to seven rows and also lines that extend for more than four scales in length on ventral caudal peduncle in adult females and large males; (2) presence of a distinct swelling between urogenital opening and anterior base of anal fin in females.
IUCN Red List Status: Not Evaluated (N.E.) Ref. (124695)
Threat to humans:  harmless
Country info:   

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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