Article (Scientific journals)
Commensal vs. parasitic relationship between Carapini fish and their hosts: some further insight through delta C-13 and delta N-15 measurements
Parmentier, Eric; Das, Krishna
2004In Journal of Experimental Marine Biology and Ecology, 310 (1)
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Keywords :
Carapidae; stable isotopes; diet; larvae; commensal; parasite
Abstract :
[en] In the Moorea Lagoon (French Polynesia), the pearlfish Carapus boraborensis, Carapus homei, Campus mourlani and Encheliophis gracilis are generally found inside echinoderm hosts such as the holothurian Bohadschia argus and the starfish Culcita novaeguineae. At the end of their larval stage, these fish settle on the reef and directly enter their echinoderm host where they undergo an important metamorphosis. The aim of this study was to get further insight on the type of symbiosis (commensal vs. parasite) between these fish and their hosts. delta(15)N and delta(13)C measurements were determined in the tissues of invertebrate hosts (holothurians and starfish) and carapids (larvae, juveniles and adults). The obtained isotopic signatures reveal different kinds of associations: metamorphosing larvae, juveniles and adults of C. boraborensis and C. homei do not feed at all oil host holothurian tissues, C mourlani and its asterian host display a commensal relationship without any feeding association, while E. gracilis is likely to feed on the tissue of the holothurian. (C) 2004 Elsevier B.V. All rights reserved.
Disciplines :
Aquatic sciences & oceanology
Environmental sciences & ecology
Author, co-author :
Parmentier, Eric  ;  Université de Liège - ULiège - ULG > Sciences et Gestion de l'Environnement > Morphologie Fonctionelle et Evolutive
Das, Krishna  ;  Université de Liège - ULiège > Département des sciences et gestion de l'environnement > Océanologie
Language :
English
Title :
Commensal vs. parasitic relationship between Carapini fish and their hosts: some further insight through delta C-13 and delta N-15 measurements
Publication date :
15 October 2004
Journal title :
Journal of Experimental Marine Biology and Ecology
ISSN :
0022-0981
Publisher :
Elsevier Science Bv, Amsterdam, Netherlands
Volume :
310
Issue :
1
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 03 July 2008

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