Discrimination between the Mediterranean spiny lobsters Palinurus elephas and P. mauritanicus (Crustacea: Decapoda) by mitochondrial sequence analysis.- Discrimination between the Mediterranean spiny lobsters Palinurus elephas and P. mauritanicus (Crustacea: Decapoda) by mitochondrial sequence analysis.- Short Research Note.- Study of the nucleolar organizer regions in Palinurus elephas (Crustacea: Decapoda).- The constructional properties of the exoskeleton of homarid, palinurid, and scyllarid lobsters.- Biological aspects of Medorippe lanata (Linnaeus, 1767) (Brachyura: Dorippidae) from the eastern Ligurian Sea (western Mediterranean).- Review Paper.- Reproductive investment in Brachyura.- An ultrastructural and histochemical study of the germinal cells contained in hemispermatophores of males of the Aristaeomorpha foliacea (Risso, 1827).- Reproduction strategy of the deep-sea hermit crabs Pagurus alatus and Pagurus excavatus of the Central-Western Mediterranean Sea.- Diel and seasonal changes in the structure of a Decapod (Crustacea: Decapoda) community of Cymodocea nodosa from Southeastern Spain (West Mediterranean Sea).- The use of artificial benthic collectors for assessment of spatial patterns of settlement of megalopae of Carcinus maenas (L.) (Brachyura: Portunidae) in the lower Mira Estuary, Portugal.- Feeding habits of Percnon gibbesi (H. Milne Edwards, 1853) in the Sicily Strait.- The decapod crustacean community of the Guadalquivir Estuary (SW Spain): seasonal and inter-year changes in community structure.- Preliminary estimation of the factors influencing the distribution of the midlittoral crab Portumnus lysianassa (Herbst, 1796).- Chromatic patterns of the hermit crab Calcinus tubularis related to the occupied shell.- Trawl selectivity trials on the deep-water rose shrimp (Parapenaeus longirostris) in Sicilian waters.- Catch composition and damage incurred to crabs discarded from the eastern Ligurian Sea \"rapido\" trawl fishery.- Fishery of the deep-water rose shrimp Parapenaeus longirostris (Lucas, 1846) (Crustacea: Decapoda) in the northern Tyrrhenian Sea (western Mediterranean).- Selectivity parameters and size at first maturity in deep-water shrimps, Aristaeomorpha foliacea (Risso, 1827) and Aristeus antennatus (Risso, 1816), from the North-Western Ionian Sea (Mediterranean Sea).- Catch composition on red shrimps\' (Aristaeomorpha foliacea and Aristeus antennatus) grounds in the Eastern Ionian Sea.