2015
DOI: 10.1590/1982-0224-20140090
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Abstract: This study aimed to estimate age and growth of the peacock bass Cichla temensis from the rio Negro (Brazilian Amazonia) by analyzing scale annuli. Specimens were captured between October 2011 and September 2012 in the main channel of the river and in adjacent lakes in the municipality of Barcelos, AM, Brazil. Six growth checks were identified on the scales of specimens. The annual variation in body condition observed suggests that fat is accumulated during the dry season. Results for the GSI (gonadosomatic ind… Show more

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Cited by 14 publications
(22 citation statements)
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References 22 publications
(39 reference statements)
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“…The interpretation of these two periods of reduced growth varies according to studies or species: it could be associated with food limitations during the low water period and with reproductive activities during the flood, according to Pérez, Fabré (2009) and Arantes et al (2010), or to reproductive migrations during the low waters and food limitations during the flood according to Cutrim, Batista (2005). Notable exceptions in central Amazonia are Schizodon fasciatus Spix & Agassiz, 1829, which forms a single ring per year during the flood (Fabré, Saint Paul, 1998) and Cichla temensis Humboldt, 1821, which forms a single ring during the receding water period (Campos et al, 2015).…”
Section: E170130[8]mentioning
confidence: 99%
“…The interpretation of these two periods of reduced growth varies according to studies or species: it could be associated with food limitations during the low water period and with reproductive activities during the flood, according to Pérez, Fabré (2009) and Arantes et al (2010), or to reproductive migrations during the low waters and food limitations during the flood according to Cutrim, Batista (2005). Notable exceptions in central Amazonia are Schizodon fasciatus Spix & Agassiz, 1829, which forms a single ring per year during the flood (Fabré, Saint Paul, 1998) and Cichla temensis Humboldt, 1821, which forms a single ring during the receding water period (Campos et al, 2015).…”
Section: E170130[8]mentioning
confidence: 99%
“…These class divisions were determined according to the length-growth curve for C. temensis estimated for the middle Negro River region (Campos, Freitas, & Amadio, 2015). The class of fish at <31 cm are assumed to be fast-growing young individuals, the class of fish 31-39.9 cm are intermediate-size individuals with a decelerating growth rate, and the class of fish at >40 cm are the largest individuals with smallest growth rate.…”
Section: Samplingmentioning
confidence: 99%
“…The class of fish at <31 cm are assumed to be fast-growing young individuals, the class of fish 31-39.9 cm are intermediate-size individuals with a decelerating growth rate, and the class of fish at >40 cm are the largest individuals with smallest growth rate. These class divisions were determined according to the length-growth curve for C. temensis estimated for the middle Negro River region (Campos, Freitas, & Amadio, 2015). The first division that roughly corresponds to the literature, established length at first maturation, is 34.0 cm with captivity data (Fontenele, 1950) and 31.1 cm with wild fish data (Campos et al, 2015).…”
Section: Samplingmentioning
confidence: 99%
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“…Some lines of research on amazonian fish biology are of critical importance for the understanding of fish life strategies, such as reproductive (Schwassmann 1978) and feeding biology (Knoppel, 1970), respiratory metabolism (Kramer et al 1978), reproduction and development (Bayley 1988;Loubens & Panfili 1997;Fabré & Saint-Paul 1998;Campos et al 2015), and migration (Barthem & Goulding 1997;Batista & Alves-Gomes, 2006;Sousa et al 2016). Despite this importance, fish ecological studies, including biodiversity monitoring, are conventionally performed using visual detection and counting.…”
Section: Introductionmentioning
confidence: 99%