Abstract
Distribution patterns of the protandric simultaneous hermaphrodite, the spine-shrimp Exhippolysmata oplophoroides (Holthuis, 1948), in the Cananéia-Iguape system on the southern coast of the state of São Paulo, Brazil
Highlights
We investigated the influence of environmental variables, such as bottom water characteristics, sediment grain size and organic matter content, in relation to the abundance of this species
The present study provides the first insights into the distribution patterns of E. oplophoroides on the Cananéia region
Our results show that water salinity and sediment texture were key determinants of the spine-shrimp’s distribution
Summary
The spine-shrimp is one of the most abundant caridean species in shallow marine waters of the states of Rio de Janeiro, São Paulo and Paraná, Brazil (Severino-Rodrigues et al, 2002; Fransozo et al, 2005; Robert et al, 2007; Mantelatto et al, 2016; Herrera et al, 2017), and is commonly taken as bycatch in penaeid shrimp fisheries of high economic interest in Brazil, especially the sea-bob shrimp Xiphopenaeus kroyeri (Heller, 1862) and the white shrimp Litopenaeus schmitti (Burkenroad, 1936) (Costa et al, 2000; Pantaleão et al, 2016; Bochini et al, 2019). It is integrated into the marine food web, playing a vital role at intermediate trophic levels (Bilgin et al, 2008), serving as a prey item for various invertebrate and fish species (Stanski et al, 2018)
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