Institution: | Department of Fisheries Resource Management, Tokyo University of Fisheries, Minato, Tokyo 108-8477, ;Momoshima Station, Japan Sea-Farming Association, Onomichi, Hiroshima 722-0061, ;Ibusuki Branch, Kagoshima Prefectural Fisheries Experimental Station, Ibusuki, Kagoshima 891-0311, Japan and ;Department of Aquaculture and Fisheries Science, Bunda College of Agriculture, Lilongwe 3, Malawi |