The structure of shallow water fish assemblages in sandy beaches of a tropical bay in the southwestern Atlantic

Pinto, Samara Macedo; Monteiro‐Neto, Cassiano; Barbarino, Elisabete; Tubino, Rafael de Almeida; Costa, Marcus Rodrigues da

doi:10.1007/s10228-021-00832-3

Cited by 4 publications

(2 citation statements)

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“…Comparison of fish assemblages among multiple surf zones may provide fundamental information to identify priority areas of coasts for conservation. Fish assemblages in surf zones are highly dynamic (Pinto et al, 2021) and often influenced by tides (Borland et al, 2017; Pattrick & Strydom, 2014). Our results demonstrated that fish assemblages during the neap tide had higher abundance and number of species and were more stable in assemblage structure than during the spring tide.…”

Section: Discussionmentioning

confidence: 99%

“…Surf zones also have heterogeneous and complex structures, such as offshore bars and nearshore troughs, characterized by wave conditions that provide refuges from predators (Mosman et al, 2020). Hence, surf zones serve as nurseries, refuges, foraging areas, and dispersal corridors for organisms, especially marine fishes, in their early life stages (Olds et al, 2018; Pinto et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

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Influence of tidal and diurnal rhythms on fish assemblages in the surf zone of sandy beaches

Xia

Miao

Wang

et al. 2023

Fisheries Oceanography

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The surf zones are significantly affected by tides, however, several gaps still in knowledge of fish assemblages in surf zones response to spring‐neap and daily tidal cycles. We investigated fish assemblages in a surf zone of Gaolong Bay in China. The dynamics of fish assemblages were examined during the neap tide and the spring tide to test the hypotheses that (1) fish assemblages reflect a combination of species from around coastal habitats, and (2) dynamics of the fish assemblages were determined by both the spring‐neap cycles and diel rhythms of fish species. We collected 46 fish species comprising 16 coral reef‐seagrass species, 24 mangrove‐estuarine species, and 6 common coastal species. Fish abundance and richness were significantly higher during the neap tide than during the spring tide. Furthermore, during the neap tide, fish assemblages were mostly carnivorous coral reef‐seagrass species at night and were mostly omnivorous and planktivorous species during the daytime. However, no clear diel patterns were observed during the spring tide. We suggested that dynamics of the fish assemblages were mainly shaped by the diurnal rhythms of fish during the neap tide and by the tidal cycle during the spring tide. Our results support the notion that surveys of fish assemblages during the neap tide could collect more abundance and rich species of multiple ecotypes of fish to evaluate fish resource status in the around coastal habitats. Consequently, management approaches around surf zones with heterogeneous seascapes can lead to positive outcomes for inshore fish resources and ecosystem conservation.

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Section: Discussionmentioning

confidence: 99%