Ein neuer Poeciliopsis aus Chiapas, Mexico (Pisces: Poeciliidae)

" Poeciliopsis hnilickai n. sp. from a small montain stream 1 km W of Ixtapa, Chiapas, Mexico is described: slender body, rounded head, adult with a conspicuous dark blue streak along the midside and melanophores between the first two dorsal rays; periproct blackened in adult females; newborn young without melanopores; juveniles with black dots along midside, smaller than pupil; the gonapophysis of the gonopodial suspensorium, body form, coloration, sexual dimorhism and gonopodial characters are illustrated. P. hnilickai n. sp. shows features of gracilis (Heckel 1848) catemaco Miller 1975 and infans (Woolman 1894) "