Ontogenetic and gender-modulated behavioural rhythms in the deep-water decapods Liocarcinus depurator (Brachyura: Portunidae), Munida tenuimana and Munida intermedia (Anomura: Galatheidae)

Aguzzi, Jacopo; Company, Joan B.; García, José A.

Ontogenetic and gender-modulated behavioural rhythms in the deep-water decapods Liocarcinus depurator (Brachyura: Portunidae), Munida tenuimana and Munida intermedia (Anomura: Galatheidae)

13 pages, 6 figures, 2 tables

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Bibliographic Details
Main Authors:	Aguzzi, Jacopo, Company, Joan B., García, José A.
Format:	artículo biblioteca
Language:	English
Published:	Blackwell Publishing 2009-03
Subjects:	Brachyaran crab, Burying behaviour, Circadian rhythm, Continental slope, Crustaceans, Deep sea, Galatheid crabs, Light intensity, Liocarcinus depurator, Munida intermedia, Munida tenuimana, Nocturna, Shelf diurnal,
Online Access:	http://hdl.handle.net/10261/19207
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id	dig-icm-es-10261-19207
record_format	koha
spelling	dig-icm-es-10261-192072020-11-19T08:18:33Z Ontogenetic and gender-modulated behavioural rhythms in the deep-water decapods Liocarcinus depurator (Brachyura: Portunidae), Munida tenuimana and Munida intermedia (Anomura: Galatheidae) Aguzzi, Jacopo Company, Joan B. García, José A. Brachyaran crab Burying behaviour Circadian rhythm Continental slope Crustaceans Deep sea Galatheid crabs Light intensity Liocarcinus depurator Munida intermedia Munida tenuimana Nocturna Shelf diurnal 13 pages, 6 figures, 2 tables The regulation and expression of biological rhythms with respect to sex and ontogeny in deep-water benthic decapod crustaceans constitutes an exciting field in marine biology that is far from understood. Liocarcinus depurator, Munida intermedia and Munida tenuimana are ecologically key crustacean decapod species of the Atlantic and Mediterranean shelves and slopes, and their activity rhythms in the field are poorly known. Our aim was to measure the behavioural rhythms of these species, while at the same time defining their type of displacement (i.e. endobenthic, nektobenthic or benthopelagic). Whether gender and ontogeny modulate the rhythmic behaviour of these decapods is unknown, and we sought to clarify this issue. A temporally scheduled series of trawl hauls and light intensity measures was performed on the western Mediterranean shelf (100–110 m depth) and slope (400–430 m), close to the autumn equinox and the summer solstice. The sex and the size of animals in the catches were analysed. Catch patterns were evaluated through waveform and periodogram analyses. Liocarcinus depurator was captured at night on the shelf, whereas on the slope, animals displayed peaks both in the middle of the day and night. Size-related differences (but no gender differences) were found in its rhythmic behaviour, possibly due to intra-specific competition (e.g. fighting) between juveniles and adults. Munida intermedia were weakly diurnal in October and both diurnal and nocturnal in June. Munida tenuimana presented no discernible rhythmicity in October, but was nocturnal in June. Both species showed no evident sex or size modulation of their behaviour. Data were interpreted assuming that all tested species present an endobenthic behaviour (i.e. animals emerge from the substrate during the active phase of their behavioural cycle). The authors wish to thank F. Sarda` , Chief Investigator of the project NERIT (MAR98-0935) funded by the Spanish CICYT and the crew of the R⁄V Garcı´a del Cid (CSIC) for their support during sampling. J. Aguzzi is a Post-doctoral fellow in the Juan de la Cierva Program. Peer reviewed 2009-12-01T12:01:59Z 2009-12-01T12:01:59Z 2009-03 artículo http://purl.org/coar/resource_type/c_6501 Marine Ecology 30 (1) : 93–105 (2009) 0173-9565 http://hdl.handle.net/10261/19207 10.1111/j.1439-0485.2008.00252.x en https://doi.org/10.1111/j.1439-0485.2008.00252.x none 22195 bytes application/pdf Blackwell Publishing
institution	ICM ES
collection	DSpace
country	España
countrycode	ES
component	Bibliográfico
access	En linea
databasecode	dig-icm-es
tag	biblioteca
region	Europa del Sur
libraryname	Biblioteca del ICM España
language	English
topic	Brachyaran crab Burying behaviour Circadian rhythm Continental slope Crustaceans Deep sea Galatheid crabs Light intensity Liocarcinus depurator Munida intermedia Munida tenuimana Nocturna Shelf diurnal Brachyaran crab Burying behaviour Circadian rhythm Continental slope Crustaceans Deep sea Galatheid crabs Light intensity Liocarcinus depurator Munida intermedia Munida tenuimana Nocturna Shelf diurnal
spellingShingle	Brachyaran crab Burying behaviour Circadian rhythm Continental slope Crustaceans Deep sea Galatheid crabs Light intensity Liocarcinus depurator Munida intermedia Munida tenuimana Nocturna Shelf diurnal Brachyaran crab Burying behaviour Circadian rhythm Continental slope Crustaceans Deep sea Galatheid crabs Light intensity Liocarcinus depurator Munida intermedia Munida tenuimana Nocturna Shelf diurnal Aguzzi, Jacopo Company, Joan B. García, José A. Ontogenetic and gender-modulated behavioural rhythms in the deep-water decapods Liocarcinus depurator (Brachyura: Portunidae), Munida tenuimana and Munida intermedia (Anomura: Galatheidae)
description	13 pages, 6 figures, 2 tables
format	artículo
topic_facet	Brachyaran crab Burying behaviour Circadian rhythm Continental slope Crustaceans Deep sea Galatheid crabs Light intensity Liocarcinus depurator Munida intermedia Munida tenuimana Nocturna Shelf diurnal
author	Aguzzi, Jacopo Company, Joan B. García, José A.
author_facet	Aguzzi, Jacopo Company, Joan B. García, José A.
author_sort	Aguzzi, Jacopo
title	Ontogenetic and gender-modulated behavioural rhythms in the deep-water decapods Liocarcinus depurator (Brachyura: Portunidae), Munida tenuimana and Munida intermedia (Anomura: Galatheidae)
title_short	Ontogenetic and gender-modulated behavioural rhythms in the deep-water decapods Liocarcinus depurator (Brachyura: Portunidae), Munida tenuimana and Munida intermedia (Anomura: Galatheidae)
title_full	Ontogenetic and gender-modulated behavioural rhythms in the deep-water decapods Liocarcinus depurator (Brachyura: Portunidae), Munida tenuimana and Munida intermedia (Anomura: Galatheidae)
title_fullStr	Ontogenetic and gender-modulated behavioural rhythms in the deep-water decapods Liocarcinus depurator (Brachyura: Portunidae), Munida tenuimana and Munida intermedia (Anomura: Galatheidae)
title_full_unstemmed	Ontogenetic and gender-modulated behavioural rhythms in the deep-water decapods Liocarcinus depurator (Brachyura: Portunidae), Munida tenuimana and Munida intermedia (Anomura: Galatheidae)
title_sort	ontogenetic and gender-modulated behavioural rhythms in the deep-water decapods liocarcinus depurator (brachyura: portunidae), munida tenuimana and munida intermedia (anomura: galatheidae)
publisher	Blackwell Publishing
publishDate	2009-03
url	http://hdl.handle.net/10261/19207
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_version_	1777665704203386880

Ontogenetic and gender-modulated behavioural rhythms in the deep-water decapods Liocarcinus depurator (Brachyura: Portunidae), Munida tenuimana and Munida intermedia (Anomura: Galatheidae)

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