2011
DOI: 10.1590/s1679-62252011000100019
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Abstract: Most Rivulidae fishes are popularly known as annual fishes which live in ephemeral environments such as pools, that obligatorily dry out seasonally causing the death of adult individuals. They have unique biological characteristics such as small body size, early sexual maturation, continuous reproduction, an elaborated courtship behavior, and a great reproductive capacity among fishes. The rivulids are widely distributed in North, Central and South America. In this study, the diet and reproductive biology of C… Show more

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Cited by 35 publications
(41 citation statements)
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“…The long reproductive period described for A. riograndensis in this study is quite well known among individuals of the Rivulidae family (Arenzon et al, 1999;Arezo et al, 2007;Gonçalves et al, 2011;Cassel et al, 2013). Among annual rivulids, Austrolebias charrua Costa & Cheffe, 2001 showed all phases of sexual maturation from May to December, with December characterized as the month of senescence since the adults of this species die in the dry season (Arezo et al, 2007).…”
Section: Discussionsupporting
confidence: 64%
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“…The long reproductive period described for A. riograndensis in this study is quite well known among individuals of the Rivulidae family (Arenzon et al, 1999;Arezo et al, 2007;Gonçalves et al, 2011;Cassel et al, 2013). Among annual rivulids, Austrolebias charrua Costa & Cheffe, 2001 showed all phases of sexual maturation from May to December, with December characterized as the month of senescence since the adults of this species die in the dry season (Arezo et al, 2007).…”
Section: Discussionsupporting
confidence: 64%
“…This pattern of oocyte development was identified in A. riograndensis and registered for the annual Austrolebias toba Calviño, 2006, Austrolebias nigrofasciatus Costa & Cheffe, 2001, C. melanotaenia, C. multipapillatus and S. boitonei (Arenzon et al, 1999Calviño, 2006;Shibatta, 2005;Gonçalves et al, 2011;Volcan et al, 2011Volcan et al, , 2013) and the-non annual M. punctatus (Cassel et al, 2013). For fish of lentic habitats, multiple spawning during the reproductive period may reduce competition among larvae when they have a lower rate of dispersion (Godinho et al, 2010) and also represent an advantage in unstable environments regarding abiotic factors, since they allow for some batches of oocytes to be released in relatively better environmental conditions which increases the chances of survival for young offspring.…”
Section: Discussionmentioning
confidence: 78%
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