Post Tagged with: "Argentina"

Rediscovery of a lizard in Argentina after decades of searching

Rediscovery of a lizard in Argentina after decades of searching

Lazarus Species, Reptiles September 28, 2017 at 8:50 am

Liolaemus rabinoi, a species from Argentina has formerly been considered extinct. It was first found in 1972 on the margins of the El Nihuil dam in San Rafael, Mendoza, Argentina. In November 2010, new specimens of lizards assignable to L. rabinoi were found in an area of large sand dunes, 10 km from where it had been searched for in vain for years.

A fluorescent frog!

A fluorescent frog!

Amphibians, News in Nature March 18, 2017 at 9:46 am

Scientists believe they may have discovered a first in the animal kingdom – a fluorescent frog that emits a bright, colorful glow once exposed to ultraviolet light. The South American polka dot tree frog appeared as a common-looking frog to the researchers, but when they analyzed the amphibian closely, they discovered that when placed under an ultraviolet light it glows in a bright blue-green light.   Hyloin, molecules in the animals’ lymph tissue, skin and glandular secretions were responsible for the green fluorescence.  Hyloin appears to be a unique mechanism of fluorescence in animals.  

A New Flatworm from the Argentinian Atlantic Forest

A New Flatworm from the Argentinian Atlantic Forest

Invertebrates, New Species August 20, 2016 at 9:17 pm

This land planarian is large, exceeding 5 cm in length. Dorsal view of a live specimen of Cratera viridimaculata (anterior end to the left). Scale bar: 10 mm. Negrete & Brusa (2016).

A new species of the banjo catfish

A new species of the banjo catfish

Fish, New Species March 18, 2016 at 10:08 am

A new species of the banjo catfish genus Amaralia is described from the Paraná-Paraguay River Basin in central-western Brazil, Paraguay and northern Argentina.