1.     Mona, M.H., El-Etreby, S.G. and Shenouda, Th.S. (1987). Studies on the reproductive system of Styela partita Stimpson 1852 (Ascidiacea & Urochordata). Bull.  Fac.  Sci. Zagazig Univ.,9, 214-529.

2.     El-Naffar, M.K.I., A. Ghobashy, S.G. El-Etreby and M.M. Kardosha (1992). General Survey of Helminth Parasite Genera of Arabian Gulf Fishes (Coast of United Arab Emirates). Arab Gulf J. Scient. Res., 10(2) 99-110.

3.     Roberts, C.M., S.G. El-Etreby, A.A. Ghobashy and M.A. Zyadah (1993). Coral Reef Groupers ( Family Serranidae ) in South Sinai. 1V. Tagging Experiment and Population Recovery of Cephalopholis hemistiktos ( Ruppell, 1830 ) in Na’ama  Bay, Sharm Elsheikh.  J. Egypt. Ger. Soc. Zool. 11(B) 21-31.

4.     Gabr H.R., R.T. Hanlon, M.H. Hanafy and S.G. El-Etreby (1998). Maturation, Fecundity and Seasonality of Reproduction of two Commercially valuable cuttlefish, Sepia pharaonis and S.dollfusi, in the Suez Canal. Fisheries Research 36 (1998) 99-115.

5.     El-Etreby S.G., M.H. Hanafy, M.M. Abu-Zeid and M.A. El-Alwany (1999). Distribution of Butterflyfishes ( Chaetodontidae ) and Angelfishes ( Pomacanthidae ) on the western coast of Gulf of Aqaba, northern Red Sea. Second Symposium on “ The Red Sea Marine Environment” Faculty of Marine Science, Jeddah, Saudi Arabia.

6.     Temraz T., Kotb M., Hegazi M. and El-Etreby S. (2004): BIOCHEMICAL CONSTITUENTS AND ANTIOXIDANTS OF SOME SOFT CORALS OF THE EGYPTIAN RED SEA.Egyptian Journal of Natural Toxins, Egyptian First Int. Conf. of Natural Toxins, Six October Univ. May 2004.

7.     Osman, I.H, Gabr, H.R., Saito, H., El-Etreby, S.G. 2010, Reproductive biology of the highly commercial polychaetes in Suez Canal. Journal of the Marine Biological Association of the United Kingdome, 90(2),281-290.

8.     El-Mor M., S.G. El-Etreby, M. Sapota (2002). Biological Studies on Juvenile fish of Siganus rivulatus  ( Forsskal, 1775 ) in Port-Said Fishing Harbor, Egypt. Oceanological Studies, Vol. XXXI, No. 3-4 (17-30).

9.     Biological study on the fish Sardinellaaurita (family: Clupeidae) in relation to primary production at Port Said Coast, Egypt.

Population dynamics and Molecular examination of the Lessepsian migrant species of family: Tetraodontidae

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