About Cyprinidae
About culture(fisheries)
About scale
About price
About transaction
About rearing management
About producer
About output(production)
About seed and seedling management
About maturation
About marketing channels
About economy
About Gnathopogon caerulescens
About fish culture
About market size
About seedling production
About fisheries economy
About Fishes
About Aquaculture in general
About Fishery economics and management
About ホンモロコ
About 養殖
About 経営
About 進展