Observations on the Population Characters of Eared Horse Mussel, Modiolus auriculatus (Krauss, 1848) in the Red Sea, Egypt
International Journal of Ecotoxicology and Ecobiology
Volume 1, Issue 3, December 2016, Pages: 72-75
Received: Jun. 25, 2016; Accepted: Jul. 22, 2016; Published: Sep. 5, 2016
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Authors
Fatma A. Abdel Razek, Department of Aquaculture, National Institute of Oceanography & Fisheries, Alexandria, Egypt
Salah E. Abdel-Gaid, Department of Zoology, Faculty of Science, Al-Azhar University, Cairo, Egypt
Hamdy O. Ahmed, Department of Aquaculture, National Institute of Oceanography & Fisheries, Alexandria, Egypt
El Sayed A. E. Hamed, Department of Aquaculture, National Institute of Oceanography & Fisheries, Hurghada, Egypt
Mohamed M. Abu-Zaid, Department of Zoology, Faculty of Science, Al-Azhar University, Cairo, Egypt
Tarek A. A. Mohammed, Department of Aquaculture, National Institute of Oceanography & Fisheries, Hurghada, Egypt
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Abstract
The population analysis of 240 Modiolus auriculatus individuals collected from the Red Sea showed that its size ranged from 1.36 cm to 6.02 cm in shell length. During spring and summer seasons, most abundant shell size groups of average shell length 4.0 cm, 5.0 cm and 6.0 cm were observed. While during autumn and winter seasons the groups of 1.5 cm, 2.0 cm and 2.5 cm were found in the population. Sex ratio (males to females) being 1.2:1 and the proportion of sexes in all size groups did not differ significantly from 1:1. The seasonal meat yield values are higher in spring and summer than these values during autumn and spring seasons. This looked to be related to gonad condition more than the somatic growth of the animal.
Keywords
Modiolus auriculatus, Size Distribution, Sex Ratio, Meat Yield, Red Sea, Egypt
To cite this article
Fatma A. Abdel Razek, Salah E. Abdel-Gaid, Hamdy O. Ahmed, El Sayed A. E. Hamed, Mohamed M. Abu-Zaid, Tarek A. A. Mohammed, Observations on the Population Characters of Eared Horse Mussel, Modiolus auriculatus (Krauss, 1848) in the Red Sea, Egypt, International Journal of Ecotoxicology and Ecobiology. Vol. 1, No. 3, 2016, pp. 72-75. doi: 10.11648/j.ijee.20160103.12
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Copyright © 2016 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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