Comparison between model testing and full-scale trials of new trawl design for Italian bottom fisheries,Ovarian development and final oocyte maturation in cultured sevenband grouper Epinephelus septemfasciatus,Protein polymorphism of an isoform of the third complement component in the common carp Cyprinus carpio,Hemolymph levels of vertebrate-type steroid hormones in female kuruma prawn Marsupenaeus japonicus (Crustacea: Decapoda: Penaeidae) during natural reproductive cycle and induced ovarian development by eyestalk ablation,Development of high-frequency micro echo sounder,Spatial distribution and biomass of pelagic fish in the East China Sea in summer, based on acoustic surveys from 1997 to 2001,Refined calculation model for NaLA, a fishing net shape simulator, applicable to gill nets,Genetic structure of Chinese sucker population Myxocyprinus asiaticus in the Yangtze River based on mitochondrial DNA marker,Stimulation of photosynthesis and consequent oxygen production in anoxic bottom water by supply of lowintensity light through an optical fiber,Feeding habits of an exotic species, the Mediterranean green crab Carcinus aestuarii, in Tokyo Bay,Changes of retinoid contents in larval Japanese flounder Paralichthys olivaceus and Artemia nauplii enriched with a large dose of all trans retinoic acid,Spatial distribution and feeding habits of the shrimp Crangon uritai as a predator on larval and juvenile marbled sole Pleuronectes yokohamae.