Defensive strategies of neonate nurse sharks, Ginglymostoma cirratum , in an oceanic archipelago of the Western Central Atlantic

Verfasser / Beitragende:
[Ricardo Garla, Domingos Garrone-Neto, Otto Gadig]
Ort, Verlag, Jahr:
2015
Enthalten in:
acta ethologica, 18/2(2015-06-01), 167-171
Format:
Artikel (online)
ID: 605462542
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024 7 0 |a 10.1007/s10211-014-0200-x  |2 doi 
035 |a (NATIONALLICENCE)springer-10.1007/s10211-014-0200-x 
245 0 0 |a Defensive strategies of neonate nurse sharks, Ginglymostoma cirratum , in an oceanic archipelago of the Western Central Atlantic  |h [Elektronische Daten]  |c [Ricardo Garla, Domingos Garrone-Neto, Otto Gadig] 
520 3 |a Two defensive tactics of neonates of nurse sharks, Ginglymostoma cirratum, are reported based on underwater observations. Described as "hiding behaviour” and "substrate resemblance”, the defensive strategies were categorized according to the predominant habitat in which the individuals were found and to the behaviour displayed by the sharks in the presence of the observer. In structurally more complex habitats with a wide availability of shelters, the preferential behaviour displayed by neonates is to hide inside holes or crevices. When in open areas deprived of refuges, neonates tend to resemble arborescent coverings as seaweed banks or colonies of octocorals, which allows the use of more exposed habitats without increasing the susceptibility of capture by predators. Both aspects are relevant for a better understanding of the behaviour of neonates of G. cirratum and have important implications for identifying important habitat in nursery areas, and also for the management of this vulnerable species off South America. 
540 |a Springer-Verlag Berlin Heidelberg and ISPA, 2014 
690 7 |a Crypsis  |2 nationallicence 
690 7 |a Substrate resemblance  |2 nationallicence 
690 7 |a Defense against predators  |2 nationallicence 
690 7 |a Ginglymostomatidae  |2 nationallicence 
690 7 |a Fernando de Noronha Archipelago  |2 nationallicence 
700 1 |a Garla  |D Ricardo  |u Elasmobranch Research Lab, Universidade Estadual Paulista - UNESP, 11330-900, São Vicente, SP, Brazil  |4 aut 
700 1 |a Garrone-Neto  |D Domingos  |u Elasmobranch Research Lab, Universidade Estadual Paulista - UNESP, 11330-900, São Vicente, SP, Brazil  |4 aut 
700 1 |a Gadig  |D Otto  |u Elasmobranch Research Lab, Universidade Estadual Paulista - UNESP, 11330-900, São Vicente, SP, Brazil  |4 aut 
773 0 |t acta ethologica  |d Springer Berlin Heidelberg  |g 18/2(2015-06-01), 167-171  |x 0873-9749  |q 18:2<167  |1 2015  |2 18  |o 10211 
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950 |B NATIONALLICENCE  |P 700  |E 1-  |a Garla  |D Ricardo  |u Elasmobranch Research Lab, Universidade Estadual Paulista - UNESP, 11330-900, São Vicente, SP, Brazil  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Garrone-Neto  |D Domingos  |u Elasmobranch Research Lab, Universidade Estadual Paulista - UNESP, 11330-900, São Vicente, SP, Brazil  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Gadig  |D Otto  |u Elasmobranch Research Lab, Universidade Estadual Paulista - UNESP, 11330-900, São Vicente, SP, Brazil  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t acta ethologica  |d Springer Berlin Heidelberg  |g 18/2(2015-06-01), 167-171  |x 0873-9749  |q 18:2<167  |1 2015  |2 18  |o 10211