2008
DOI: 10.1590/s1679-62252008000200012
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Abstract: Annual fishes inhabit temporary ponds that dry out seasonally and the adaptations to survive this extreme condition include high metabolic rates and an elaborate courtship behavior which ends in the deposition of drought-resistant eggs, capable of going through diapause stages in the substrate. The pronounced sexual dimorphism that these fishes show suggests that sexual selection could play a key role in the differentiation, speciation and evolution of this diverse group of fishes. However, there is scarce inf… Show more

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Cited by 39 publications
(35 citation statements)
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References 11 publications
(12 reference statements)
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“…Most rivulids are sexually dimorphic, with males exhibiting bright coloration and possessing relatively larger body sizes than females (Garcia et al, 2008;Gonçalves et al, 2011), and we observed a similar pattern in both species in this study. Overall, A. vandenbergi had shorter standard length but greater body depth than N. ornatipinnis, which reached a maximum standard length of 50.6mm.…”
Section: Discussionsupporting
confidence: 80%
See 3 more Smart Citations
“…Most rivulids are sexually dimorphic, with males exhibiting bright coloration and possessing relatively larger body sizes than females (Garcia et al, 2008;Gonçalves et al, 2011), and we observed a similar pattern in both species in this study. Overall, A. vandenbergi had shorter standard length but greater body depth than N. ornatipinnis, which reached a maximum standard length of 50.6mm.…”
Section: Discussionsupporting
confidence: 80%
“…This trend has been observed in other species of tropical annual rivulids including Cynopoecilus melanotaenia (Regan, 1912) and several species of Austrolebias (Laufer, Arim, Loureiro, Piñeiro-Guerra, Clavijo-Baquet & Fagúndez, 2009). These differences in body size play an important role in sexual selection (Garcia et al, 2008). in fish, body size of females is favored by increased fecundity, whereas in males, size is affected by sexual selection.…”
Section: Discussionmentioning
confidence: 99%
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“…Despite the large diversity of the Cynolebiidae family (Costa, 2008) and the vulnerability of some species Rosa & Lima, 2008), ecological characteristics such as feeding, reproduction, behavior patterns, growth, species richness and abundance of annual fishes in temporary environments are poorly known (Arenzon et al, 1999(Arenzon et al, , 2001(Arenzon et al, , 2002Errea & Danulat, 2001;Shibatta & Rocha, 2001;Shibatta, 2005Shibatta, , 2006García et al, 2008;Laufer et al, 2009;Arim et al, 2010;Gonçalves et al, 2011;Canavero et al, 2013;Lanés et al, 2013Lanés et al, , 2014aLanés et al, , b, 2016Keppeler et al, 2013Keppeler et al, , 2015Ortiz & Arim, 2016).…”
Section: Palavras-chavementioning
confidence: 99%