Fish fauna from the estuaries of Ceara state, Brazil: a checklist in support of conservation of the Brazilian semiarid coast

We extensively surveyed eight estuaries along the coast of the state of Ceara in northeastern Brazil. We include local samples and data compiled from online databases and the literature. Our sampling resulted in a checklist of the estuarine fish fauna, 126 species, and provides original information from some of the estuaries. Most of the sampled marine species are widely distributed, and many are important commercial species for artisanal fisheries. The addition of records from existing inventories and online collections increases the number of species to 245, of which 11 are threatened (Critically Endangered or Vulnerable) and six are introduced. Our study provides an updated list of fish species of the estuaries along the semiarid coast of Brazil and is intended to support further research, conservation, and management efforts.

Automated summary

We conducted a comprehensive survey of estuaries in the state of Ceara, Brazil, utilizing local samples, data from online databases, and existing literature. Our findings include 126 fish species in the estuarine environment, with additional records bringing the total to 245 species, including 11 threatened species and six introduced species. The study aims to provide updated information for research, conservation, and management efforts.