A new species, Elasmopus alkhiranensis allied to E. pectenicrus is described from the Persian Gulf. Recent collections identify this species as having a morphological variation previously unreported in Elasmopus.

Two species of the paracalliopiid Amphipoda are recorded from Ryukyu Archipelago in Japan, one which is Mucrocalliope ryukyuensis sp. nov., second genus. This new very similar to type species, M. shimantoensis Ariyama and Azuma, 2011 Shimanto estuary, western Japan; however, can be distinguished by longer peduncular article 4 male antenna 2 basis pereopod 5 with a posteromedial plumose seta. Th...

A new species of the scavenging lysianassid amphipod genus Waldeckia, W. bamberi sp. nov., is described from the Austral Isles, Society Isles, the first record of Waldeckia on the Pacific Plate.

We investigated the pattern of infection of Gammarus aequicauda (Amphipoda) with metacercariae of Levinseniella tridigitata (Trematoda: Microphallidae) in a natural lagoon. Prevalence was significantly higher in females than in males, whereas there was no difference between sexes in parasitic intensity. Despite the very large size of L. tridigitata metacercariae, the mean abundance increased wi...