The Yaeyama islands of the Ryukyus are located at the southern
extreme of the Japanese archipelago. The shorelines of the
islands are bordered by coral reefs, where various fishing techniques
such as the use of nets, hand-lines and diving have been practiced.
Using sociological statistics, this paper analyzes some aspects
of a fishing community at Tonoshiro, Ishigaki City, where there are
118 fishermen's households, 55 households of which are engaged in
diving for fish. Fishing concentrates on octopus, lobster, seaweed,
shellfish and tropical species for sale to aquaria.
Technological innovations of recent years have, however,
forced the community to diverge into two directions; (i) a more
specialized diving fishery utilizing aqualungs, and (ii) switching to
related jobs in the fishing business, such as "middleman" and
operating "cold storage" facilities.