2018
DOI: 10.1590/1982-0224-20170063
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Abstract: Oxygen and temperature are the most limiting factors in aquatic environments. Several species are exposed to variations of these factors in water because of physical, chemical and biological processes. The objective of this study was to evaluate the metabolic profile and the tolerance to the hypoxia of Geophagus brasiliensis exposed to changes in temperature and oxygen availability. The fish were exposed to 20 and 90% of oxygen saturation combined with different temperatures (20°, 24° and 28° C) for 8 h. Hepat… Show more

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Cited by 4 publications
(6 citation statements)
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“…This suggests speckled peacock bass have a relatively high metabolic rate, as congeners share similar life history strategies (Jepsen et al ., 1997; Winemiller et al ., 2021). Likewise, there is substantial variability within the family Cichlidae in terms of hypoxia and temperature tolerance (Burggren et al ., 2019; Chippari‐Gomes et al ., 2005; De Boeck et al ., 2013; Kochhann et al ., 2015; Luna‐Figueroa et al ., 2003; Muusze et al ., 1998; Pereira et al ., 2018; Schofield et al ., 2010; Zaragoza et al ., 2008), and evidence suggests that members of the Cichla genus are more sensitive than other genera. Sensitivity to upper temperatures and hypoxia in Cichla spp.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…This suggests speckled peacock bass have a relatively high metabolic rate, as congeners share similar life history strategies (Jepsen et al ., 1997; Winemiller et al ., 2021). Likewise, there is substantial variability within the family Cichlidae in terms of hypoxia and temperature tolerance (Burggren et al ., 2019; Chippari‐Gomes et al ., 2005; De Boeck et al ., 2013; Kochhann et al ., 2015; Luna‐Figueroa et al ., 2003; Muusze et al ., 1998; Pereira et al ., 2018; Schofield et al ., 2010; Zaragoza et al ., 2008), and evidence suggests that members of the Cichla genus are more sensitive than other genera. Sensitivity to upper temperatures and hypoxia in Cichla spp.…”
Section: Discussionmentioning
confidence: 99%
“…The effects of temperature on the physiological and biochemical processes of some cichlid species (family Cichlidae) have been determined (Burggren et al ., 2019; Chippari‐Gomes et al ., 2005; De Boeck et al ., 2013; Kochhann et al ., 2015; Luna‐Figueroa et al ., 2003; Muusze et al ., 1998; Pereira et al ., 2018; Schofield et al ., 2010; Zaragoza et al ., 2008). Many species demonstrate tolerance to hypoxic and anoxic environments because they can reduce metabolic expenditure in part through increased reliance on anaerobic metabolism.…”
Section: Introductionmentioning
confidence: 99%
“…In addition, G . brasiliensis use the anaerobic metabolism as the main strategy for optimising its strength in the absence of oxygen (Pereira et al, 2018).…”
Section: Discussionmentioning
confidence: 99%
“…Several studies demonstrated that water temperature influences fish metabolism, which leads to differential feed consumption, digestibility indexes, feed conversion and growth (Dias, 1998;Piedras et al, 2005Piedras et al, , 2006. According to Pereira et al (2018), levels of oxygen saturation combined with distinct temperatures affect the metabolism of G. brasiliensis in hypoxia conditions, causing the species to use anaerobic pathways to supply its energy demands.…”
Section: /8mentioning
confidence: 99%