Feeding habits of Scomber colias (Gmelin, 1789) in the Atlantic ocean of Morocco
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1
Université Ibn Zohr, BIOLOGY, Morocco
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2
Institut National de Recherche Halieutique (INRH), Fisheries, Morocco
Feeding habit of chub mackerel (Scomber colias) were studied in the Atlantic ocean of Morocco. The stomach contents of 300 specimens of Scomber colias were examined, from size ranging between 161mm and 290 mm standard length, in order to analyse its diet behaviour. Samples of chub mackerel were collected from four different areas, along the Atlantic ocean of Morocco, such as El Jadida, Safi, Agadir and Laayoune, in winter of 2016. Analysis of the stomach contents with the index of importance, the food index of Geistdoerfer (Q) and the graphical method of Amundsen showed that the most meaningful prey were fish, followed by copepods, amphipods, mysidacea, cephalopods, gastropods, euphausids, cladocerns, cnidarians, cheatognathes, annelids, larvae and eggs. These results showed that Scomber colias is an optional carnivore, which prefers specifically fish at adult stage and zooplankton at juvenile stage.
Keywords:
Scomber colias,
Morocco,
feeding,
copepod,
Zooplancton
Conference:
IMMR'18 | International Meeting on Marine Research 2018, Peniche, Portugal, 5 Jul - 6 Jul, 2018.
Presentation Type:
Poster Presentation
Topic:
Fisheries and Management
Citation:
BOUZZAMMIT
N,
El Ouizgani
H and
Elhabouz
H
(2019). Feeding habits of Scomber colias (Gmelin, 1789) in the Atlantic ocean of Morocco.
Front. Mar. Sci.
Conference Abstract:
IMMR'18 | International Meeting on Marine Research 2018.
doi: 10.3389/conf.FMARS.2018.06.00122
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Received:
25 Apr 2018;
Published Online:
07 Jan 2019.
*
Correspondence:
PhD. NADIA BOUZZAMMIT, Université Ibn Zohr, BIOLOGY, Agadir, AGADIR, 80000, Morocco, nadia.bouzzammit@edu.uiz.ac.ma