Lithodidae Dromiidae Atelecyclidae Cancridae Pirimelidae Cheiragonidae Dorippidae Eriphiidae Epialtidae Inachidae Oregoniidae Pilumnidae Geryonidae Portunidae Potamidae Panopeidae Xanthidae Grapsidae Images Name list Publications Sites alex@equator.ru Whole checklist По-русски (in Russian) Porcellanidae Varunidae Camptandriidae Macrophthalmidae Pinnotheridae Hapalogastridae Plagusiidae Far East / North Pacific Black Sea Baltic Sea Freshwater crabs Arctic Ocean Designed and composed by Alex Alyakrinsky, 2011 Brachyura, picture of crab Liocarcinus navigator (Herbst, 1794) = Liocarcinus arcuatus (Leach, 1814) = Macropipus arcuatus Portunidae Liocarcinus navigator (Herbst, 1794) = Liocarcinus arcuatus (Leach, 1814)  = Macropipus   arcuatus Black Sea Range. From Great Britain and Norway to Spain, Mediterranean and Black Sea.  Common species in the Black Sea. From 3 to 40 m, mainly on sand with shell rock, pure  sand, less abundant on mud.  Size of carapace. Up to 22 mm length (Volkanov, 1938).  [Kobjakova & Dolgopolskaya, 1969, p. 288].