Concentrations of mercury, arsenic, cadmium and lead in Greenland halibut (Reinhardtius hippoglossoides) caught off the coast of northern Norway,Sibling cannibalism on the small octopus Robsonella fontaniana (d'Orbigny, 1834) paralarvae,Distribution patterns of macrofaunal polychaete assemblages in a polluted semi-enclosed bay: Cienfuegos, Caribbean Sea,A new species of symbiotic flatworms, Paracatenula galateia sp. nov. (Platyhelminthes: Catenulida: Retronectidae) from Belize (Central America),Contrasting the maturation, growth, spatial distribution and vulnerability to environmental warming of Hippoglossoides robustus (Bering flounder) with H. elassodon (flathead sole) in the eastern Bering Sea,Global and local patterns in the use of macrophytes as substrata by hydroids (Hydrozoa: Anthoathecata and Leptothecata),Effects of salinity on larvae of the oysters Crassostrea ariakensis, C. sikamea and the hybrid cross,Seasonality and reproductive periods of the hydroid Clytia gracilis in temperate littoral ecosystems. Is asexual reproduction the prime mechanism in maintaining populations?,Seasonal abundance of the Atlantic bobtail squid Sepiola atlantica in Galician waters (NE Atlantic),Diet of the blue marlin, Makaira nigricans, off the south coast of Portugal,Microsatellite DNA marker development and genetic diversity of Branchiostoma belcheri in Xiamen waters,Editorial Board