| During the Rumphius Biohistorical Expedition (RBE) to Ambon, 33 species of swimming crabs were collected in the littoral and upper sublittoral zone by hand on tidal flats, using SCUBA, and using a Holthuis dredge. Lissocarcinus arkati, L. laevis, Charybdis (C.) hellerii, C. (C.) orientalis, C. (C.) variegata, Portunus hastatoides, P. iranjae, P. longispinosus, P. stephensoni, T. chaptalii, T. cooperi, T. stephensoni are recorded at Ambon and in the Moluccas for the first time. The Portunus tenuipes complex is partly revised and P. rugosus sensu Stephenson (1961) is considered a synonym of P. tenuipes De Haan, 1835. A new species, P. pseudotenuipes occurring at Ambon, in the Philippines and off South-East Asia is described. The Ambon fauna includes 55... |
