A least-concern species is a species that has been categorized by the International Union for Conservation of Nature (IUCN) as evaluated as not being a focus of species conservation because the specific species is still plentiful in the wild. They do not qualify as threatened, near threatened, or conservation dependent.
The South American common toad is a species complex of toads in the family Bufonidae. They are found throughout the Amazonian South America and eastern Panama. It was originally believed to be a single species, but is now known to represent a complex of more than one.
Rhinella scitula is a species of toads in the family Bufonidae. It is found in the southwestern Mato Grosso do Sul, Brazil, and in the adjacent southeastern Paraguay.
Mahatha is a genus of freshwater crabs endemic to Sri Lanka. Four of the six species are critically endangered due to habitat loss, and two are listed as Least Concern on the IUCN Red List.
Parathelphusinae is a subfamily of freshwater crabs, which was formerly placed in the family Parathelphusidae; they are mainly found in South and Southeast Asia, but also found elsewhere in Asia and in Australia
Perbrinckia is a genus of freshwater crabs of the family Gecarcinucidae that is endemic to Sri Lanka, named after Per Brinck. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical swamps, and rivers. It contains 14 species, most of which are included on the IUCN Red List as critically endangered species (CR) or vulnerable species (VU) because they are threatened by habitat loss; only one species is of least concern (LC).
Perbrinckia enodis is a species of decapod in the family Gecarcinucidae.
Perbrinckia fido is a species of decapod in the family Gecarcinucidae.
Perbrinckia punctata is a species of decapod in the family Gecarcinucidae.
Perbrinckia quadratus is a species of decapod in the family Gecarcinucidae.
Perbrinckia rosae is a species of decapod in the family Gecarcinucidae.
Perbrinckia fenestra is a species of freshwater crabs of the family Gecarcinucidae that is endemic to Sri Lanka. the species is categorized as vulnerable by founders due to their single locality where tourist destinations are abundant. The site is Batatotalena Cave in Kuruwita. It is rarely found, and known to live under moist rocks, near water sources and under wet litter.
Perbrinckia gabadagei is a species of freshwater crabs of the family Gecarcinucidae that is endemic to Sri Lanka. The species was once categorized as vulnerable by founders, but now considered to be critically endangered and probably extinct due to lack of recent evidences since 1996. The species first found from Adam's Peak area. It is very rarely found, and known to live under moist soil, and near water sources.
Perbrinckia glabra is a species of freshwater crab of the family Gecarcinucidae that is endemic to Sri Lanka. The species is categorized as critically endangered by the IUCN Red List due to their single locality in Horton Plains National Park. Perbrinckia glabra is found primarily under rocks and boulders near shallow streams. Major threats to this species include habitat loss and pollution.
Perbrinckia integra is a species of freshwater crabs of the family Gecarcinucidae that is endemic to Sri Lanka. The species is categorized as vulnerable by founders due to habitat destruction and human interference. The species is found around Adam's Peak area only. It is found, and known to live under moist rocks, and near water sources.
The Sri Lanka tree crab,, is a species of freshwater crabs of the family Gecarcinucidae that is endemic to Sri Lanka. It is the only known tree climbing freshwater crab found in the country. The crab is discovered from 11 localities from Sri Lanka throughout Kalu River, Walawe River and Gin River basins. Adult are known to survive well in rainwater-filled tree hollows of trees such as Shorea sp., Artocarpus sp., Dillenia sp., Garcinia sp., Myristica sp., and Gyrinops walla. Females with youngs can be seen during February and March on the ground, never within tree hollows. The known predators are Greater coucal, White-throated kingfisher, Sri Lanka grey hornbill and Eurasian otter.
The charming miner bee is a species of miner bee in the family Andrenidae. It is found in Central America and North America.
Chrysobothris scitula is a species of metallic wood-boring beetle in the family Buprestidae. It is found in North America.
