1999
DOI: 10.1590/s1413-77391999000200002
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Oxygen consumption and ammonia excretion of the searobin Prionotus punctatus (Scorpaeniformes, Triglidae) at two different temperatures

Abstract: . Abstract: Routine oxygen consumption and ammonia excretion were measured at 20°C and 25°C in the searobin Prionotus punetatus collected in Ubatuba region (22°30'S), SP, Brazil, in western South Atlantic, to investigate energy expenditure and losses through metabolic processes. Individuais ranging ftom 1.00g to 88.47g and ftom 1.79g to 56.50g were used in experiments at 20°C and 25°C, respectively. At 20°C and 25°C, the averages of weight-specific oxygen consumption for the weight class of 1.00 -1O.00g,common… Show more

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Cited by 3 publications
(4 citation statements)
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References 19 publications
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“…Piaussu was more sensitive to changes in temperature between 23 and 27ºC (Q =7.46) compared to 27 and 31ºC (Q =3.25) interval, 10 10 indicating a higher homeostasis capacity within the higher range (DIVYA; RANJEET, 2014). In general, the excretion rate of piaussu was strongly influenced by temperature, since Q 10 values calculated for ammonia excretion of fish are generally lower than 3 (Kieffer and TUFTS, 1996;KIEFFER et al, 1998;ALSOP et al, 1999;GOMES et al, 1999). However, Maetz (1972) reported a Q = 4 for goldfish (Carassius auratus) 10 when abruptly transferred from 16 to 6ºC.…”
Section: Discussionmentioning
confidence: 99%
“…Piaussu was more sensitive to changes in temperature between 23 and 27ºC (Q =7.46) compared to 27 and 31ºC (Q =3.25) interval, 10 10 indicating a higher homeostasis capacity within the higher range (DIVYA; RANJEET, 2014). In general, the excretion rate of piaussu was strongly influenced by temperature, since Q 10 values calculated for ammonia excretion of fish are generally lower than 3 (Kieffer and TUFTS, 1996;KIEFFER et al, 1998;ALSOP et al, 1999;GOMES et al, 1999). However, Maetz (1972) reported a Q = 4 for goldfish (Carassius auratus) 10 when abruptly transferred from 16 to 6ºC.…”
Section: Discussionmentioning
confidence: 99%
“…Os valores médios de consumo de oxigênio e excreção de amônia do metabolismo de rotina de H. steindachneri são compatíveis com os esperados e observados para outros teleósteos marinhos tropicais (Phan et al,1993;Gomes et al, 1999). O metabolismo pode ser descrito pela equação R=aW b , onde R representa a variação do metabolismo (consumo de oxigênio ou excreção de amônia), W representa a variação do peso úmido e b é o expoente que relaciona as variações metabólicas com o peso.…”
Section: Discussionunclassified
“…Por esse motivo, portanto, para se verificar com acuidade o efeito da temperatura em peixes, parece importante que se utilizem intervalos experimentais relativamente estreitos, sobretudo quando se estudam indivíduos de espécies sujeitas a ambientes mais instáveis. Caso semelhante foi encontrado para outras espécies de peixes que vivem nessa mesma área (Gomes et al, 1999) e outros grupos de animais de outras áreas, incluindo crustáceos (Phan et al, 1997;.…”
Section: Discussionunclassified
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