The Guinea 90 survey
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This report presents the results of the “GUINEA 90” survey conducted in the Eastern Central Atlantic during April 1990 aboard the Spanish commercial fishing vessel LAGOAPESCA. The objective of the survey was to investigate the demersal fishery resources off the coasts of Sierra Leone, Liberia, Côte d'Ivoire and Ghana within the 20–700 m depth limits, using fishing gear with 45 mm mesh in the codend. Catch percentages of the different demersal communities (Longhurst, 1969) together with fishing yields of all species by stratum and country are reported. Overall, the most abundant catches correspond to Côte d'Ivoire, and down to 200 m depth the Sparidae predominate. The commercial species offering highest yields were Dentex angolensis and Pagellus bellottii bellottii, with notable quantities of D. congoensis and Brachydeuterus auritus.