Oryzias nigrimas

0. nigrimas (male). Photo by K. Takata.
Original description:
- Kittelat, M. (1990) Ichthyol. Explor.Freshwaters, 1: 49-67.
Characterization:
- D, 8-11; P, 11-12; V, 6; A, 21-25; L.l., 34-37; L.tr.,13-15.
- This species is distinguished from all other species of Oryzias by the unique black nuptial coloration of the adult male. Females spawn up to 25 eggs at a time.
(Abbr. A: anal fin ray's number, D: dorsal fin ray's number, L.l:, lateral longitudinal scale's number, L.tr.: lateral transverse scale's number, P: pectral fin ray's number, SL: standard length, V: ventral fin ray's number)
Habitation area (Distribution):
Lake Poso, east shore between Tentena and Peura, Sulawesi, Indonesia.
Breeder:
K. Takata (Breeding place; Lab. Embryol., Fac. Sci.,Shinshu Univ.)
References:
- Uwa, H. (1993) Fish Biol. J. Medaka, 4: 41-44.
- Uwa, H., K. Takata and M. Kottelat (1991) Zool. Sci., 8: 1126.