Early development of eye structure in Beluga (Huso huso)

Early development of eye structure in Beluga (Huso huso)

Authors

  • Hamid Eshaghzade Department of Fisheries, Faculty of Natural Resources, University of Tehran, Iran, Iran, Islamic Republic of
  • Gholam Reza Rafiae Department of Fisheries, Faculty of Natural Resources, University of Tehran, Iran, Iran, Islamic Republic of
  • Rezvanolla Kazemi Department of physiology and histology, Dadman international sturgeon research institute, Iran, Iran, Islamic Republic of
  • Bagher Mojazi Amiri Department of Fisheries, Faculty of Natural Resources, University of Tehran, Iran, Iran, Islamic Republic of
  • Soheil Eagdari Department of Fisheries, Faculty of Natural Resources, University of Tehran, Iran, Iran, Islamic Republic of

Keywords:

Beluga, ontogeny, eye structure, histology.

Abstract

This study aimed to survey development of eye Beluga (Huso huso) from hatching time to 32 days after hatching and also determine the structure and organization of the various layers of development of eye and it was at this stage. At hatching, Great sturgeon larvae possess an undifferentiated lens and retina and the eye begins to differentiate at 2 days post-hatch. The most obvious changes of eye structural Beluga occurred between hatching time and 4 days after hatching when At this age, the eye wall has a developed and organized location, lens, iris, choroid, sclera, cornea and the vitreous cavity and at 8 days after hatching, all retinal layers observed quite distinct.

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Published

2013-05-06

Issue

Vol. 5 No. 2 (2013)

Section

Articles

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