First record of Hypsiboas geographicus (Spix, 1824) (Hylidae) and Physalaemus centralis Bokermann, 1962 (Leptodactylidae) for coastal ecosystems in the state of Maranhão, Brazil

Matavelli, Rodrigo; Campos, Aldenise Martins; Andrade, Gilda Vasconcellos de

doi:10.15560/10.3.702

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“…Although our results were collected with the tadpole community, these are the first records for the ichthyofauna in streams of the Munim River Basin and coastal drainage areas of northeastern Maranhão state. Our findings indicate the existence of a community that shares faunal elements of the Amazon and Caatinga biomes, supporting the hypothesis that the state of Maranhão is a broad and diverse biogeographic transition zone (Ab' Saber 1989) between the Amazon Forest, Caatinga, Cerrado and coastal ecosystems, which has been observed in other studies (Rebêlo et al 2010;Dos Santos et al 2012;Campos et al 2013;Matavelli et al 2013aMatavelli et al , 2013bMatavelli et al 2014aMatavelli et al , 2014b.…”

Section: Discussionsupporting

confidence: 90%

Ichthyofauna sampled with tadpoles in northeastern Maranhão state, Brazil

Matavelli¹,

Campos²,

Vale³

et al. 2015

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The Neotropic region has high fish diversity associated with freshwater habitats. However, for Maranhão state, most publications on the ichthyofauna concentrate on coastal or estuarine ecosystems. In this study, species of fish were sampled in lentic and lotic habitats in Cerrado areas (Cerradão phytophysiognomy) and in restinga areas (Atlantic Forest phytophysiognomy) in northeastern Maranhão state between January and July 2010. Thirteen species from 10 families and 6 orders were captured. Species richness was highest for the orders Characiformes and Gymnotiformes. Our results are the first records of the ichthyofauna of coastal drainage areas of northeastern Maranhão state, contributing to the understanding of the biodiversity of the Munim and Parnaíba River basins, and suggest the existence of a community that shares elements with those of the Amazon and Caatinga biomes.

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