Using the same fish with different rules: A science‐based approach for improving management of recreational fisheries in a biodiversity hotspot of the Western South Atlantic

Abstract

In this study we tested the hypothesis that Centropomus parallelus Poey moves between areas where fishing tourism is important, but the management rules for recreational fisheries are different. Fieldwork was conducted from May 2014 to June 2017 in an estuary located in the border between the states of São Paulo and Paraná, South‐Southeastern Brazil. Through a mark and recapture experiment, 2.000 individuals were tagged, of which 42 were recaptured. Among these, six fish were recaptured in Paraná, after being tagged in São Paulo, and a fish was recaptured in São Paulo, after being tagged in Paraná. These results support the hypothesis tested and indicate an uneven use of C. parallelus by anglers in both states. Thus, the use of the species and the recreational fisheries regulations need to be reviewed in the study area, taking into account the ability of C. parallelus to move across political boundaries and the importance of a fish‐oriented fisheries management regime.

Reproductive biology of the fat snook Centropomus parallelus Poey, 1860 (Teleostei, Centropomidae) and implications for its management in the southern Atlantic Ocean

“…Although adults can be commonly found in freshwater habitats (Blewett et al ., 2009), they migrate to high salinity regions during the spring and summer to spawn (Peters et al ., 1998). To avoid overexploitation, regulatory measures have been enacted in recent years to protect and conserve species ( e.g ., Garrone‐Neto et al ., 2018; Motta et al ., 2016).…”

“…Despite its wide distribution along western Atlantic and commercial importance, there is scant information regarding the biology of Centropomus parallelus . The fat snook is an important species exploited by artisanal (Motta et al ., 2016) and recreational (Garrone‐Neto et al ., 2018; Lennox et al ., 2015) fisheries in estuarine and coastal waters of the southern Atlantic. Management rules to catch Centropomus species within this region have been enacted, including minimum and maximum capture sizes, closures for fishing during the reproductive season and catch‐and‐release practices (revised in Garrone‐Neto et al ., 2018).…”

“…The biological information provided here can be readily used to support the ongoing efforts of small‐scale and recreational fisheries management in southern Brazil. Considering that fat snook do not recognize geographic barriers and are highly mobile (Garrone‐Neto et al ., 2018), fishing regulations such as seasonal closures during the reproductive season, catch limits for anglers and the establishing of minimum and maximum sizes (commercial and recreational fishing) need to be updated and expanded regionally to improve the long‐term sustainability of this important artisanal fisheries resource. The implementation of no‐take areas for fishing or fishing restrictions to protect nursery areas (estuaries) and spawning sites is also suggested.…”

Contribuições do conhecimento ecológico local para o ordenamento da pesca esportiva e conservação de robalos na Reserva de Desenvolvimento Sustentável Barra do Una, Peruíbe/SP

“…Porém, difere de Rodrigues (2005) Teixeira (2020) e indicado pelos pescadores, coincide com o período de maior captura destas espécies na região (Souza, 2019). Assim, são necessários programas educativos e medidas de gestão que contemplem a pesca artesanal e esportiva para evitar sobreexploração das espécies, como já indicado por Silvano et al (2014), Gassman et al (2017) e Garrone -Neto et al (2018), que avaliaram diferentes medidas de conservação para os robalos.…”

“…Garrone Neto et al (2018), por exemplo, fizeram uma avaliação importante dos instrumentos de gestão e apontaram aspectos positivos e negativos da legislação vigente entre os estados do Paraná e São Paulo, com base em seus resultados sobre captura e recaptura de robalos. Alguns aspectos positivos foram indicados para a legislação do estado do Paraná que poderiam ser analisados para São Paulo, como adoção de tamanhos máximos de captura para C. parallelus de 50 cm e C. undecimalis de 70 cm, regulamentada pela RS CEMA PR 91/2013.…”