Fisheries in the Saint Peter and Saint Paul Archipelago: 13 years of monitoring
Keywords:
Acanthocybium solandri, catch-per-unit-effort, Cheilopogon cyanopterus, Elagatis bipinnulata, Thunnus albacaresAbstract
The objective of the present study was to verify the temporal variation of the specific composition of the pelagic fishes caught by commercial fishing boats and the catch-per-unit-effort (CPUE) of the main caught species in the Saint Peter and Saint Paul Archipelago (SPSPA). Data from six fishing boats based in Natal - RN (Brazil) that operated in the SPSPA were monitored between 1998 and 2010, with a total of 290 landings. The yellowfin tuna (Thunnus albacares) was the main species caught, showing a relatively stable CPUE throughout the years. Monthly yellowfin tuna CPUE values has shown a large increase between November and March, indicating a greater abundance of this species during this period. Wahoo (Acanthocybium solandri) CPUE was also rather stable over the years and monthly CPUE indicated an increase between July and September. The rainbow runner (Elagatis bipinnulata) CPUE also remained stable over the years and grew in the summer, between October and December. Flying fish (Cheilopogon cyanopterus) CPUE showed a decline in the last years of monitoring and monthly CPUE had low values from June to November and high values in the remaining months, with peaks in December and April. Observed CPUE variations of the monitored species are discussed throughout the text.
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