In collaboration with Payame Noor University and Iranian Society of Physiology and Pharmacology

Document Type : Article

Authors

1 . MSc., Proliferation and aquaculture, Science and Research Branch of Tehran (Kurdistan), Sanandaj, Iran

2 . Professor, Iranian Fisheries Research Organization, Iran

3 Assistant Professor, Department of Fisheries, Islamic Azad University, Science and Research, Kurdistan, Sanandaj, Iran

4 Associate Professor, Iranian Fisheries Research Organization, Iran

Abstract

The various stages of embryonic growth pharaoh´s cuttlefish (Sepia pharaonis) reside in Oman until hatching was studied. Gregor tours and the eggs collected for further study of the propagation of Education, Research Center of the Earth - Chabahar Moved .once every 24 hours to get detailed information was sampling of from fertilized eggs. Egg size of 11±4 mm were selected because of the large size of cuttlefish eggs during incubation stages of embryonic development within the capsule is visible. The studies showed that the water temperature of 20±2°C hatching takes about 20±10 days. In this study results showed that the first cleavage was performed on the first day and the 15th day after the yolk sac has started to decrease. Tentacle is visible on day 14. Cuttlefish in all developmental stages of the embryonic development of a model to follow, but the temperature plays an important role in hatching time.
 

Keywords

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