The Thai freshwater prawns of the genus Macrobrachium are reviewed. A taxonomic synopsis is given here of the 25 species of Macrobrachium so far known from Thailand, including three new species, namely M. thai, M. tratense and M. dolatum. Nine species are recorded for the first time from Thailand, namely M. amplimanus Dai, 1999, M. assamense (Tiwari, 1955), M. dienbienphuense Dang and Nyuyen, 1972, M. eriocheirum Dai, 1984, M. forcipatum Ng, 1995, M. hendersoni (De Man, 1906, M. malayanum (Roux, 1934), M. mieni Dang, 1975 and M. trompii (De Man, 1898). A neotype is designated for M. hirsutimanus (Tiwari, 1952). Descriptions for new species, diagnosis for newly recorded species and taxonomic discussions for all species are provided. A key to all the known Thai Macrobrachium species is included.
A new species of Macrobrachium, M. sirindhorn, belonging to the group of Macrobrachium pilimanus (De Man), is described from Thailand. A comparision is made with the other known species of the M. pilimanus group. RÉSUMÉ Une nouvelle espèce de Macrobrachium, M. sirindhorn, appartenant au groupe de Macrobrachium pilimanus (De Man) est décrit de Thaïlande. Elle est comparée aux autres espèces connues du groupe M. pilimanus.
A new species of giant potamid crab, Potamon bhumibol, is described from Thailand. It belongs to the Potamon tannanti Rathbun group of Indochinese freshwater crabs and is the largest freshwater crab species ever collected from Thailand. It differs from congeners mainly by the form of its male rst pleopod.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.