Hydrops is a genus of snake in the subfamily Dipsadinae of the family Colubridae. The genus is endemic to South America.

Species Three species are recognized. Hydrops at the Reptile Database.

Hydrops caesurus Hydrops martii – Amazon water snake Hydrops triangularis – triangle water snake

Nota bene: A binomial authority in parentheses indicates that the species was originally described in a genus other than Hydrops.

References

Further reading Boulenger GA (1894). Catalogue of the Snakes in the British Museum (Natural History). Volume II., Containing the Conclusion of the Colubridæ Aglyphæ. London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xi + 382 pp. + Plates I–XX. (Genus Hydrops, pp. 186–187). Freiberg M (1982). Snakes of South America. Hong Kong:T.F.H. Publications. 189 pp. . (Genus Hydrops, pp. 66, 72, 99–100). Wagler J (1830). Natürliches System der AMPHIBIEN, mit vorangehender Classification der SÄUGTHIERE und VÖGEL. Ein Beitrag zur vergleichenden Zoologie. Munich, Stuttgart & Tübingen: J.G. Cotta. vi + 354 pp. + one plate. (Hydrops, new genus, p. 170). (in German and Latin).