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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Anablepidae (Four-eyed fishes, onesided livebearers & white-eye) > Anablepinae
Etymology: onca: From its color pattern, resembling the wild cat Pantera onca; noun in apposition..
More on authors: Lucinda, Reis & Quevedo.
Environment: milieu / climate zone / depth range / distribution range
экология
; пресноводный пелагический. Tropical
South America: tributaries of the lower Rio Uruguai in Brazil and Uruguay.
Size / Вес / Возраст
Maturity: Lm ?  range ? - ? cm
Max length : 5.5 cm SL самец/пол неопределен; (Ref. 128591)
Краткое описание
морфология | морфометрия
членистые (мягкие) лучи спинного плавника (общее число): 6-9; членистые (мягкие) лучи анального плавника: 10; позвонки: 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).
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).
Life cycle and mating behavior
половая зрелость | размножение | нерест | икра | Fecundity | личинки
Lucinda, P.H.F., R.E. Reis and R. Quevedo, 2002. Jenynsia onca, a new species of anablepid fish (Teleostei: Cyprinodontiformes) from southern Brazil and its phylogenetic position. Ichthyol. Explor. Freshwat. 13(1):33-40. (Ref. 42933)
Статус Красного Списка МСОП (Ref. 130435)
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