1. Food composition and niche characteristic of giant feathherback (Chitala lopis, Bleeker 1851) in kampar river, Indonesia 2. The use of trophic diatom index to determine water quality in the upstream of cileungsi river West Java 3. Length-weight relatioship, size disribution and annual CPUE's albacore in eastern Indian Ocean 4. Catch rate and catch composition of mini purse seine in bualem…