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> Cyprinodontiformes (Rivulines, killifishes and live bearers) > Rivulidae (Rivulines) > Rivulinae
Etymology: Rivulus: Latin, rivus = stream (Ref. 45335).

Issue
Incertae sedis: presently not possible to assign to any genus until a complete set of morphological and molecular data can be analysed (Ref. 89845).

Environment: milieu / climate zone / depth range / distribution range البيئة

; المياه العذبة قاعية التغذية و المعيشة; غير مهاجرة. Tropical; 20°C - 26°C (Ref. 2060)

التوزيع دول | مناطق الفاو | النظام البيئي | الظهور | Point map | مقدمة | Faunafri

Central America: Dominican Republic.

الحجم / وزن / العمر

Maturity: L_m ? range ? - ? cm
Max length : 5.5 cm TL ذكر/ مختلط الجنس; (Ref. 36579)

Inhabits headwater streams. Associates with Poecilia and Limia species in small, sand-bottomed creeks with fast currents (Ref. 13498). Not a seasonal killifish. Is difficult to maintain in aquarium (Ref. 27139).

Life cycle and mating behavior النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae

المرجع الرئيسي Upload your references | مراجع | المنظم : Costa, Wilson J.E.M. | المتعاونين

Costa, W.J.E.M., 2003. Rivulidae (South American Annual Fishes). p. 526-548. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 36579)

IUCN Red List Status (Ref. 130435)

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Rivulus roloffi Roloff, 1938