Taxonomy and Phylogeography of the Freshwater Crab Species Complex (Crustacea: Decapoda: Potamidae) from Southern Taiwan and Offshore Islets.

The freshwater crabs Shy, Ng & Yu, 1994, Shy, Ng & Yu, 1994 and Shy, Ng & Yu, 1994 from southern Taiwan and the offshore islets, Lyudao (Green I.) and Lanyu (Orchid I.) are closely related in morphology and genetics, and have been proposed to be the same species.