Pseudis minuta

Pseudis minuta (common name: lesser swimming frog) is a species of aquatic frog in the family Hylidae.[1][2] It is found in northeastern Argentina, Uruguay, and southern Brazil, and is likely to be found in southern Paraguay.[2]

Pseudis minuta
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Hylidae
Genus: Pseudis
Species:
P. minuta
Binomial name
Pseudis minuta
Günther, 1858
Synonyms[2]
  • Lysapsus mantidactyla Cope, 1862
  • Pseudis brasiliensis Peters, 1863
  • Pseudis mantidactyla — Boulenger, 1882
  • Pseudis meridionalis Miranda-Ribeiro, 1926
  • Pseudis minutus — Savage and Carvalho, 1953
  • Lysapsus mantidactylus — Gallardo, 1961
  • Podonectes minutus — Garda and Cannatella, 2007

Description

Males measure 24–39 mm (0.9–1.5 in) and females 39–51 mm (1.5–2.0 in) in snout–vent length. The snout is truncate in lateral profile. The fingers are slender. Hind limbs are relatively long and slender. Dorsal coloration is light green or brownish, usually with small dark blotches; sometimes a distinct light middorsal band is present. A light longitudinal stripe runs through most of the flank. The thighs have usually three distinct stripes.[3]

Males call mostly during the night, floating on the water surface and holding to vegetation. They may also call from leaves of water hyacinths, with body completely out of water. The call repertoire consists of an advertisement call and two different aggressive calls. Male–male agonistic interactions involve both advertisement and aggressive calls, and may also involve wrestling.[4]

Habitat and conservation

Pseudis minuta is a very common, aquatic frog found in ponds and still-water pools of slowly moving creeks at elevations below 500 m (1,600 ft) above sea level. It can also thrive in rice plantations. There are no known major threats, at it even appears to tolerate environments (i.e., rice plantations) that receive heavy doses of pesticides. It is present in several protected areas.[1]

References
  1. Axel Kwet; Esteban Lavilla; Julian Faivovich & Jose Langone (2004). "Pseudis minuta". IUCN Red List of Threatened Species. 2004: e.T55903A11385301. doi:10.2305/IUCN.UK.2004.RLTS.T55903A11385301.en.
  2. Frost, Darrel R. (2019). "Pseudis minuta Günther, 1858". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 19 April 2019.
  3. Kwet, Axel (2000). "The genus Pseudis (Anura: Pseudidae) in Rio Grande do Sul, southern Brazil, with description of a new species". Amphibia-Reptilia. 21 (1): 39–55. doi:10.1163/156853800507264.
  4. Zank, Caroline; Di-Bernardo, Marcos; Lingnau, Rodrigo; Colombo, Patrick; Fusinatto, Luciana A. & da Fonte, Luis F. M. (April 2008). "Calling activity and agonistic behavior of Pseudis minuta Günther, 1858 (Anura, Hylidae, Hylinae) in the Reserva Biológica do Lami, Porto Alegre, Brazil". South American Journal of Herpetology. 3 (1): 51–57. doi:10.2994/1808-9798(2008)3[51:CAAABO]2.0.CO;2.
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