The freshwater shrimps of the family Atyidae (Decapoda, Caridea) of Thailand

What is it about?

The Thai freshwater shrimps of the family Atyidae are reviewed based on field surveys carried out in the last few decades by staff, students, and collaborators of both the Lee Kong Chian Natural History Museum, National University of Singapore, Singapore, and the Chulalongkorn University Bangkok, Thailand, as well as museum specimens that are available to the authors, including re-examination of previously recorded material. A taxonomic synopsis is given for the 19 species so far known from Thailand, including two new species, namely Caridina thai sp. nov. and C. kottelati sp. nov.. Two species are recorded for the first time from Thailand, namely C. annandalei, and C. rangoona. Caridina siamensis is resurrected and regarded as senior synonym for C. villadolidi. Most of the landlocked species found in Thailand are endemic to the regions of Indo-China (C. annandalei, C. lanceifrons, C. macrophora, C. rangoona, and C. tonkinensis) or Sundaland (C. johnsoni and C. temasek). Apart from the recently described C. panhai and the two new species, C. gracilima is the only confirmed endemic species for Thailand. Descriptions for the new and poorly known species, diagnoses for new records and taxonomic discussions for all species are presented.

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