2017
DOI: 10.1590/1982-0224-20160022
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Abstract: This study estimates and analyses the reproductive parameters and cycle of Sympterygia bonapartii in San Matías Gulf, northern Patagonia, Argentina. A total of 827 males and 1,299 females were analysed. Males ranged from 185 to 687 mm of total length (TL) and females from 180 to 742 mm TL. Sexual dimorphism was detected; females were larger, heavier, exhibited heavier livers, wider discs and matured at lager sizes than males. Immature females ranged from 180 to 625 mm TL, maturing females from 408 to 720 mm TL… Show more

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Cited by 3 publications
(4 citation statements)
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“…In this study, S. bonapartii did not reach the maximum sizes recorded in the wild. Wild females attained 78.0-80.8 cm TL, and males 72.9-74.6 cm TL in Uruguay and north Argentina coastal waters (Mabragaña et al, 2002;Hozbor, Massa, 2015) whereas the maximum sizes recorded in San Matías Gulf, north Patagonia, were 74.2 cm and 68.7 cm TL for females and males, respectively (Estalles et al, 2017). In contrast, the maximum sizes reached at Temaikèn Aquarium were 64.5 and 58.2 cm TL in females and males, respectively.…”
Section: Discussionmentioning
confidence: 94%
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“…In this study, S. bonapartii did not reach the maximum sizes recorded in the wild. Wild females attained 78.0-80.8 cm TL, and males 72.9-74.6 cm TL in Uruguay and north Argentina coastal waters (Mabragaña et al, 2002;Hozbor, Massa, 2015) whereas the maximum sizes recorded in San Matías Gulf, north Patagonia, were 74.2 cm and 68.7 cm TL for females and males, respectively (Estalles et al, 2017). In contrast, the maximum sizes reached at Temaikèn Aquarium were 64.5 and 58.2 cm TL in females and males, respectively.…”
Section: Discussionmentioning
confidence: 94%
“…Earlier work has estimated female size at maturity at 63.6-65.5 cm TL off Uruguay and north Argentina (Mabragaña et al, 2002;Oddone, Velasco, 2004), 59.9 cm TL in south Brazil (Basallo, Oddone, 2014) and 59.4 cm TL in San Matías Gulf, north Patagonia (Estalles et al, 2017). The average size of first generation captive-born males yielding embryonated eggs for female tankmates was 54.0 cm TL, which is within the range of estimates for male size at maturity in the wild (52.0-65.1 cm) (Estalles et al, 2017). No difference in size at maturity between captive and wild individuals has been reported previously for batoids (Henningsen, Leaf, 2010).…”
Section: Discussionmentioning
confidence: 99%
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