Shelter use during exploratory and escape behaviour of the crab Chasmagnathus granulatus: A field study

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The use of shelters has had a predominant adaptive value in many species throughout evolution. Shelters provide protection and reduce the risk of predation during the search for food and mates. However, they imply the additional danger of having the refuge appropriated by an intruder because of intr...

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Autores principales: Fathala, M.V., Maldonado, H.
Formato: JOUR
Materias:
Conspecific interactions
Escape response
Exploratory excursions
Field study
Neohelice granulata (=Chasmagnathus granulatus)
Shelter use
Animalia
Chasmagnathus granulata
Decapoda (Crustacea)
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_02890771_v29_n2_p263_Fathala
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
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spelling todo:paper_02890771_v29_n2_p263_Fathala2023-10-03T15:17:18Z Shelter use during exploratory and escape behaviour of the crab Chasmagnathus granulatus: A field study Fathala, M.V. Maldonado, H. Conspecific interactions Escape response Exploratory excursions Field study Neohelice granulata (=Chasmagnathus granulatus) Shelter use Animalia Chasmagnathus granulata Decapoda (Crustacea) The use of shelters has had a predominant adaptive value in many species throughout evolution. Shelters provide protection and reduce the risk of predation during the search for food and mates. However, they imply the additional danger of having the refuge appropriated by an intruder because of intraspecific competition, especially in densely populated communities. In this work we studied the burrow-centred strategies of exploration and the burrow-oriented escape responses of the crab Chasmagnathus granulatus during surface activity outside their burrows. Exploratory excursions were described through diverse characteristics that enabled their functional analysis and categorization. Results showed that surface exploration is mainly accomplished by slow and near-the-burrow excursions that could be composed of two or three stages. Exploratory behaviour is drastically replaced by a conspicuous burrow-oriented escape response when crabs are faced with an aerial stimulus or the approach of a conspecific neighbour. We describe and compare this escape run with regard to whether individual survival or burrow resource is at risk. This study provides evidence of the effect of the crabs' shelter on surface activity and social interactions in the natural habitat of C. granulatus and supplies valuable tools for field and laboratory studies using this crab as an animal model. © 2010 Japan Ethological Society and Springer. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_02890771_v29_n2_p263_Fathala
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Conspecific interactions
Escape response
Exploratory excursions
Field study
Neohelice granulata (=Chasmagnathus granulatus)
Shelter use
Animalia
Chasmagnathus granulata
Decapoda (Crustacea)
spellingShingle Conspecific interactions
Escape response
Exploratory excursions
Field study
Neohelice granulata (=Chasmagnathus granulatus)
Shelter use
Animalia
Chasmagnathus granulata
Decapoda (Crustacea)
Fathala, M.V.
Maldonado, H.
Shelter use during exploratory and escape behaviour of the crab Chasmagnathus granulatus: A field study
topic_facet Conspecific interactions
Escape response
Exploratory excursions
Field study
Neohelice granulata (=Chasmagnathus granulatus)
Shelter use
Animalia
Chasmagnathus granulata
Decapoda (Crustacea)
description The use of shelters has had a predominant adaptive value in many species throughout evolution. Shelters provide protection and reduce the risk of predation during the search for food and mates. However, they imply the additional danger of having the refuge appropriated by an intruder because of intraspecific competition, especially in densely populated communities. In this work we studied the burrow-centred strategies of exploration and the burrow-oriented escape responses of the crab Chasmagnathus granulatus during surface activity outside their burrows. Exploratory excursions were described through diverse characteristics that enabled their functional analysis and categorization. Results showed that surface exploration is mainly accomplished by slow and near-the-burrow excursions that could be composed of two or three stages. Exploratory behaviour is drastically replaced by a conspicuous burrow-oriented escape response when crabs are faced with an aerial stimulus or the approach of a conspecific neighbour. We describe and compare this escape run with regard to whether individual survival or burrow resource is at risk. This study provides evidence of the effect of the crabs' shelter on surface activity and social interactions in the natural habitat of C. granulatus and supplies valuable tools for field and laboratory studies using this crab as an animal model. © 2010 Japan Ethological Society and Springer.
format JOUR
author Fathala, M.V.
Maldonado, H.
author_facet Fathala, M.V.
Maldonado, H.
author_sort Fathala, M.V.
title Shelter use during exploratory and escape behaviour of the crab Chasmagnathus granulatus: A field study
title_short Shelter use during exploratory and escape behaviour of the crab Chasmagnathus granulatus: A field study
title_full Shelter use during exploratory and escape behaviour of the crab Chasmagnathus granulatus: A field study
title_fullStr Shelter use during exploratory and escape behaviour of the crab Chasmagnathus granulatus: A field study
title_full_unstemmed Shelter use during exploratory and escape behaviour of the crab Chasmagnathus granulatus: A field study
title_sort shelter use during exploratory and escape behaviour of the crab chasmagnathus granulatus: a field study
url http://hdl.handle.net/20.500.12110/paper_02890771_v29_n2_p263_Fathala
work_keys_str_mv AT fathalamv shelteruseduringexploratoryandescapebehaviourofthecrabchasmagnathusgranulatusafieldstudy
AT maldonadoh shelteruseduringexploratoryandescapebehaviourofthecrabchasmagnathusgranulatusafieldstudy
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