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Zoological Research
Kunming Institute of Zoology, Chinese Academy of Sciences
ISSN: 2095-8137
Vol. 33, No. 4, 2012, pp. 409-415
Bioline Code: zr12065
Full paper language: English
Document type: Research Article
Document available free of charge

Zoological Research, Vol. 33, No. 4, 2012, pp. 409-415

 en Progress on the degeneration mechanism of cave fishes’ eyes
GU, Xian; NING, Tiao & XIAO, Heng

Abstract

Attempts to understand the degeneration of the eyes in cave fish has largely been explained by either various extents of gradual degeneration, ranging from partial to total loss, observed in various species or by acceleration of loss caused by dark environments. However, neither the theory of biological evolution developed by Charles Darwin nor the neutral theory of molecular evolution formulated by Kimura Motoo adequately explains these phenomena. Recent trends in utilizing multidisciplinary research, however, have yielded better results, helping reveal a more complex picture of the mechanisms of degeneration. Here, we summarize the current progress of the research via morphology and anatomy, development biology, animal behavior science and molecular genetics, and offer some perspectives on the ongoing research into the development and degeneration of eyes in cave fish.

Keywords
Cave fishes; Eyes; Degeneration

 
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Alternative site location: http://www.zoores.ac.cn/

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