Pseudoboa haasi, also known commonly as the Paraná false boa, is a species of snake in the subfamily Dipsadinae of the family Colubridae. The species is native to Argentina and Brazil.

Etymology The specific name, haasi, is in honor Albrecht Haas who collected the holotype.Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: johns Hopkins University Press. xiii + 296 pp. . (Pseudoboa haasi, p. 113).

Geographic range P. haasi is found in southern Brazil, in the states of Paraná, Rio Grande do Sul, and Santa Catarina; and in extreme northeastern Argentina, in the province of Misiones. www.reptile-database.org.

Habitat The preferred natural habitat of P. haasi is forest, but it also can survive in disturbed areas.

Behavior P. haasi is terrestrial and diurnal.

Diet P. haasi preys upon lizards, snakes, and small mammals.

Reproduction P. haasi is oviparous. Clutch size is 4–7 eggs.

References

Further reading Boettger O (1905). "Reptilien aus dem Staate Parana". Zoologischer Anzeiger 29 (11): 373–375. (Oxyrrhopus haasi, new species, pp. 374–375). (in German). Freiberg M (1982). Snakes of South America. Hong Kong: T.F.H. Publications. 189 pp. . (Pseudoboa haasi, p. 107). Giraudo AR, Scrocchi GJ (2002). "Argentinian Snakes: An Annotated Checklist". Smithsonian Herpetological Information Service (132): 1–53. (Pseudoboa haasi, p. 34).