Spawning sounds in meagre Argyrosomus regius recorded in the Gironde estuary, France

Type Article
Date 2006-12
Language English
Author(s) Lagardere Jean-Paul1, 2, Mariani A2
Affiliation(s) 1 : IFREMER, CNRS, Ctr Rech Ecosyst Marins & Aquacoles, F-17137 Lhoumeau, France.
2 : CNRS, Ctr Etud Biol Chize, F-79360 Villiers en Bois, France.
Source Journal of Fish Biology (0022-1112) (Blackwell science), 2006-12 , Vol. 69 , N. 6 , P. 1697-1708
DOI 10.1111/j.1095-8649.2006.01237.x
WOS© Times Cited 40
Keyword(s) Spawning period, Sound production, Sonic muscle, Meagre
Abstract During their spawning period (June to mid-July) in the Gironde estuary, meagre Argyrosomus regius produce two distinct sounds: regular long grunts, the most common calls, and sometimes also short grunts. It is suggested that long grunts serve the formation of spawning aggregations and short grunts announce the beginning of courtship behaviour. The meagre's long grunts include long series of 30-112 closely spaced pulses placed into call units. Each pulse produces multiple and rapidly decaying swimbladder vibrations with a dominant frequency varying between 336 and 444 Hz. (c) 2006 The Authors Journal compilation (c) 2006 The Fisheries Society of the British Isles.
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