Report of the workshop on crustacean fisheries and Management. Albion, Mauritius, 1-11 October 1985.
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The paper presents biomass and potential yield estimates available from previously published reports. Information for the countries serviced by the SWIO Project are included. These countries are Mozambique, Tanzania, Kenya, Somalia, Seychelles, Mauritius and Comores. Reference is also made to St. Paul and New Amsterdam Islands which are administered from Reunion. The annual landings of crustacea within the region is suggested as about 25,000 tonnes (whole weight) with shallow water shrimp cont ributing 80 percent of this amount. The most productive countries are Mozambique and Madagascar, with 65 and 22 percent of the total landings respectively. The potential yield is given as 30,000 tonnes (whole weight) or some 20 percent above the present landings. The additional yield from shallow water shrimps is put at 1000-1500 tonnes (not including production from aquaculture). In most countries, the resources are reasonably well known. The shallow water shrimps of Mozambique and Madagasc ar are considered to be near or fully exploited. Management controls include limiting the number of vessels, complemented in both countries by the allocation of quotas. Deep water lobster and shrimp are exploited off Mozambique and Somalia. These species are known to exist elsewhere. Shallow water lobster are exploited by artisanal fishermen throughout the region, wherever adequate infrastructure exists. In most countries these resources are under-utilised.