Diversidade de peixes capturados em currais de pesca na praia de Moitas, Amontada, (Ceará, Brasil)

Artisanal fishing is characterized as a small-scale activity, which uses few technological instruments and is generally practiced as a means of subsistence, generating an income for the fisherman and adding a quality protein to his diet. The fishing corrals are among the fishing techniques used by artisanal fishermen throughout the Brazilian coast. The coast of Ceará, Brazil, has adequate characteristics for the installation of fishing corrals, being widely used by fishermen in the region. As in other beaches on the west coast of Ceará, such as in the municipalities of Acaraú, Camocim and Paracuru, Moitas beach, in the municipality of Amontada, also uses fishing corrals to catch fish. Due to the great diversity of species caught with this fishing technique, it is necessary to carry out studies that can assist in its fishing order and maintenance of stocks, in addition to knowing the diversity of resources, the stocks that can be capture, among others. In view of the above, this study aims to determine the diversity of fish caught in fishing corrals, at Moitas beach, Amontada, CE. In addition to estimating the composition of the captured sample that is susceptible to fishing traps, verifying the variation in richness over the study period and evaluating the variation in diversity and abundance of species in the same period. The specimens of fish caught in the corrals of the study area were collected from April to December 2020, in monthly campaigns, totaling 9 campaigns, carried out at a time established by the fishermen, usually in the period of low tide, so as not to interfere in their work routine. After collection, the specimens were identified through works and manuals for the identification of marine species. 1,087 individuals were identified, distributed in 2 Classes, 4 Orders, 14 families and 22 species. The most abundant species were Eugerres brasilianus, Selene vomer and Mugil incilis. All the ecological indexes used indicated the fishing corrals of Moitas beach as areas of medium biodiversity of fish caught, presenting Shannon-Wiener diversity (H '= 2.10 nats / individual), Pielou equitability (J' = 0, 67) and Margalef's wealth (DMg = 3.00). A pesca artesanal é caracterizada como uma atividade de pequena escala, que se utiliza de poucos instrumentos tecnológicos e geralmente praticada como forma de subsistência, gerando uma renda para o pescador e adicionando uma proteína de qualidade na sua alimentação. Os currais de pesca estão entre as artes d