ON THE OCCURRENCE OF THE CHINESE MITTEN CRAB, ERIOCHEIR SINENSIS, IN PORTUGAL (DECAPODA, BRACHYURA)

ON THE OCCURRENCE OF THE CHINESE MITTEN CRAB, ERIOCHEIR SINENSIS , IN PORTUGAL (DECAPODA, BRACHYURA) BY H. N. CABRAL and M. J. COSTA Instituto de OceanograŽ a, Faculdade de Ci ˆ encias de Lisboa, Campo Grande, P-1700 Lisboa, Portugal ABSTRACT The present paper reports the occurrence of the Chinese mitten crab, Eriocheir sinensis H. Milne Edwards, 1854, in Portugal and thus extends its known southerly distribution for Europe. Avail- able Portuguese data are presented and discussed including a possible new size record for the northeastern Atlantic region. R ´ ESUM ´ E La pr ´ esence du Crabe Chinois, Eriocheir