Hydrolaetare caparu, the Caparu forest frog, is a species of frog in the family Leptodactylidae. It is endemic to Brazil and Bolivia.
Habitat This frog lives in seasonally flooded forests. Scientists have observed the frog between 68 and 185 meters above sea level. Scientists believe the frog digs a burrow for the dry season. Scientists have reported these frogs inside Parque Estadual de Corumbiaria and suspect it in another protected area, Parque Nacional Noel Kempff Mercado.
Reproduction The free-swimming tadpoles develop in streams.
Threats The IUCN classifies this frog as least concern of extinction. Principal threats include fires and habitat loss associated with land conversion to agriculture and cattle grazing.
Original description Jansen M; Alvarez LG; Kohler G (2007). "New species of Hydrolaetare (Anura, Leptodactylidae) from Bolivia with some notes on its natural history". Journal of Herpetology. 41 (4): 724–732. doi:10.1670/06-289.1. Retrieved January 23, 2026.
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