2015
DOI: 10.1111/jfb.12667
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Occurrence and use of an estuarine habitat by giant manta ray Manta birostris

Abstract: Based on the knowledge of local artisanal fishermen and on direct observations, this study presents evidence that the giant manta ray Manta birostris uses the Paranaguá estuarine complex in south Brazil, south-western Atlantic Ocean, in a predictable seasonal pattern. Behavioural observations suggest that the estuary can act as a nursery ground for M. birostris during the summer.

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Cited by 18 publications
(21 citation statements)
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“…Breaching is quite common among Manta spp. and has been attributed to mating displays, parturition, removing attached remoras, playing and communicating (Rayner, ; Medeiros et al ., ). Based on the observations here, sequential breaches by M. birostris above schools would disrupt and disorientate individuals thereby increasing the chances of predation, although it remains uncertain if teleosts are a dietary component (Burgess et al ., ).…”
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confidence: 97%
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“…Breaching is quite common among Manta spp. and has been attributed to mating displays, parturition, removing attached remoras, playing and communicating (Rayner, ; Medeiros et al ., ). Based on the observations here, sequential breaches by M. birostris above schools would disrupt and disorientate individuals thereby increasing the chances of predation, although it remains uncertain if teleosts are a dietary component (Burgess et al ., ).…”
mentioning
confidence: 97%
“…This communication reaffirms that M. birostris use the PEC on a predictable basis for key life‐history events that remain somewhat cryptic, during which they maintain their characteristic breaching behaviour possibly to facilitate food acquisition (Medeiros et al ., ). Sotalia guianensis has clearly learned to recognize such breaches as a signal to the presence of teleosts (probably Clupeidae and Engraulidae) and apparently to improve their predation success rate.…”
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confidence: 97%
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