Possible link between prey quality, condition and growth of juvenile hake (Merluccius merluccius) in the Gulf of Lions (NW Mediterranean)

Type Article
Date 2012-06
Language English
Author(s) Harmelin Vivien Mireille1, Mahe KeligORCID2, Bodiguel Xavier3, Mellon Capucine4
Affiliation(s) 1 : Aix Marseille Univ, Inst Mediterraneen Oceanol, Stn Marine Endoume, F-13007 Marseille, France.
2 : IFREMER, Lab Ressources Halieut, F-62321 Boulogne Sur Mer, France.
3 : IFREMER, Stn Martinique, Le Robert 97231, Martinique.
4 : IFREMER, Lab Ressources Halieut, Ctr Rech Halieut Mediterraneenne & Trop, F-34203 Sete, France.
Source Cybium (0399-0974) (Soc Francaise D Ichtyologie), 2012-06 , Vol. 36 , N. 2 , P. 323-328
WOS© Times Cited 13
Keyword(s) Merluciidae, Merluccius merluccius, Hake, Mediterranean Sea, Energy, Condition, Otolith microstructure
Abstract The energy value of the main prey and the growth of juvenile hake in the Gulf of Lions were analysed to determine whether fish condition could be linked to difference in prey quality and resulted in growth difference. Large differences in energy content (15.6 to 23.6 kJ g(-1) DW) among prey types were recorded with low values found in amphipods and natantid shrimps, intermediate values in euphausiids and mysids, and high values in fish. High condition in juvenile hake was linked to the consumption of prey with high energy content. However, no difference in fish growth was observed by the analysis of otolith micro-increments.
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Harmelin Vivien Mireille, Mahe Kelig, Bodiguel Xavier, Mellon Capucine (2012). Possible link between prey quality, condition and growth of juvenile hake (Merluccius merluccius) in the Gulf of Lions (NW Mediterranean). Cybium, 36(2), 323-328. Open Access version : https://archimer.ifremer.fr/doc/00092/20332/