Commercial fishing and breeding of the octopus system in his instinctive preferences and device for its favorable breeding and enhanced feeding. Guaranteed catch year-round with seasonal by-catch different seafood highly liquid market such The development of coastal fisheries in the Tatar Straits of Sakhalin island. Objects, squid, all types of crab Kamchatka, opilio, hairy. And aquaculture, breeding of sea shells, sea cucumber, oysters.