title: Acartia tonsa （Copepoda） in the Black and Caspian Seas：Review of its success and some lessons
abstract: The variety of aquatic nonindigenous animals in marine habitats worldwide includes more than 16 planktonic Copepoda species.Acartia tonsa is a very successful one,distributed in many seas.Its invasion into European seas was analyzed before(Brylinski,1981),but from that time A.tonsa extended its range in European aquatic habitats.The author describes the history of the A.tonsa invasion into the Ponto-Caspian basin as well as some misleading earlier publications.Morphologic differences between A.c
journal: Acta Scientiarum Naturalium Universitatis Sunyatseni