Rivulus torrenticola n. sp. (Actinopterygii: Cyprinodontiformes: Rivulidae), a new killifish from highlands in the Guyana shield
Rivulus torrenticola n. sp. is described from small tributaries of the Kamarang River, which itself is a left bank tributary of the Mazaruni River in Guyana. R. torrenticola is a small, non-annual species. Males are distinguished from other Rivulus spp. by their long dorsal, anal and pelvic fins, by their truncate caudal fin and by their two longitudinal, dark lines on the body. Females have rounded fins and dark pigment on the body. They lack a so-called Rivulus-spot. R. torrenticola is reminiscent of R. gransabanae Lasso et al., 1992, with which it was likely encountered around Imbamadai.
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Vermeulen, F. B. M., & Isbrücker, I. J. H. (2000). Rivulus torrenticola n. sp. (Actinopterygii: Cyprinodontiformes: Rivulidae), a new killifish from highlands in the Guyana shield. Beaufortia, 50(10), 185–190.