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KMID : 0894520060100020093
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Development & Reproduction
2006 Volume.10 No. 2 p.93 ~ p.96
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Early Growth and Development of Eye in Dotted Gizzard Shad, Konosirus punctatus
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Park In-Seok
Im Soo-Yeon
Seol Dong-Won
Lee Jin-Hwan
Hur Jun-Wook
Jeong Gwan-Sik
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Abstract
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The total length, head length, head height, eye diameter, retina thickness, and lens diameter of the dotted gizzard shad, Konosirus punctatus, showed positive allometric relationships between hatching and 30 days post-hatching (dph). The increase in total length relative to head length and head height, head length growth relative to eye and lens diameter, head height growth relative to eye diameter and lens diameter, and thickness of the retina relative to eye diameter, lens diameter, head length, and head height were showed allometric relationships. The eyes were formed completely at 9 dph. At this age, the eye has a lens, an optic nerve fiber layer, a ganglion cell layer, an inner plexiform layer, an inner nuclear layer, an outer plexiform layer, an outer nuclear layer, an outer limiting membrane, a rod and cone layer, and an epithelial layer. The essential demands that must be met by the retina in this species pertain to light sensitivity and spatial resolution.
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KEYWORD
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Dotted gizzard shad, Eye growth, Konosirus punctatus, Retina structure
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