Vol. 60, 2021
(update: 2021.02.19; 04.06)
Description of a New Genus with Two New Species of Freshwater Crab (Decapoda: Brachyura: Gecarcinucidae) from the Southwestern Ghats, India
of Aquatic Biology and Fisheries, University of Kerala, Kariavattom,
Thiruvananthapuram – 695581, Kerala, India. E-mail:
Received 24 October 2020 / Accepted 29
A new genus of freshwater crab, Rajathelphusa gen. nov., and two
species, R. ala sp. nov.
(type species) and R. muni
sp. nov., are described from the Kerala part of the Western Ghats
biodiversity hotspot, India. The new genus is superficially similar to Arcithelphusa and Cylindrotelphusa from the same
hotspot, but can easily be distinguished by the following suite of
carapace and gonopod characters: an inflated
Key words: Taxonomy, New freshwater crab, Gecarcinucoidea, Kerala, Idukki, Arcithelphusa, Cylindrotelphusa.
Citation: Raj S, Kumar AB, Ng PKL. 2021.
Description of a new genus and two new species of freshwater crab
(Decapoda: Brachyura: Gecarcinucidae) from the southwestern Ghats,
India. Zool Stud 60:14.