Seasonality of skipjack tuna parasites in the Eastern Atlantic provide an insight into its migratory patterns

Hermida, Margarida; Cavaleiro, Bárbara; Gouveia, Lídia; Saraiva, Aurélia

doi:10.1016/j.fishres.2019.04.010

Cited by 8 publications

(2 citation statements)

References 27 publications

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“…This study confirms previous research that skipjack tuna tend to like warm surface temperatures (Lehodey et al 1997;Hall and Roman 2013;Grande et al 2016;Zainuddin et al 2017;Hermida et al 2019). We also found that skipjack tuna habitats contained specific PP concentrations (350-400 mg C/m 2 /day).…”

Section: Discussionsupporting

confidence: 92%

“…Skipjack tuna migrate in schooling because they look for waters rich in food, looking for places to spawn, and changes in several aquatic environmental factors (Mugo et al 2010;Wang et al 2018). Skipjack tuna is found in warmer and shallower waters than other types of tuna (Hall and Roman 2013;Grande et al 2016;Hermida et al 2019). Skipjack tuna fishing season in the temperate Western and Pacific Ocean (WPO) is from June to October (Ashida 2020).…”

Section: Introductionmentioning

confidence: 99%

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Mapping potential fishing zones for skipjack tuna in the southern Makassar Strait, Indonesia, using Pelagic Habitat Index (PHI)

et al. 2021

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Abstract. Putri ARS, Zainuddin M, Musbir, Mustapha MA, Hidayat R. 2021. Mapping potential fishing zones for skipjack tuna in the southern Makassar Strait, Indonesia, using Pelagic Habitat Index (PHI). Biodiversitas 22: 3037-3045. Southern Makassar Strait is one of the potential fishing grounds for skipjack tuna in the Indonesian waters. Oceanographic factors become the primary factors that limit the distribution and abundance of fish. The study aimed to identify the relationship between fish distribution with sea surface temperature (SST) and primary productivity (PP) and map out the potential fishing grounds of skipjack tuna in the southern Makassar Strait. It used pelagic habitat index (PHI) analysis, which is strengthened by the results of correlation analysis in the form of generalized additive models (GAM) and Empirical cumulative distribution function (ECDF) analysis. The results showed that the distribution of skipjack tuna was significantly associated with the preferred range of SST 29-30.5°C and PP 350-400 mg C/m2/day. The potential fishing zone is well established near the coast to offshore of Barru and Polman waters (3°-6°S and 117°-119°E), with the peak season in May and October. The spatial pattern of potential fishing grounds for skipjack fishing is associated with hotspots (oceanographic preference), leading to increased feeding opportunities. This study suggests that the spatial pattern of high potential fishing zones could improve fishing, management, and conservation strategies along the southern Makassar Strait.

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