Molecular Biology and Evolution 19:1807-1811 (2002)
© 2002 Society for Molecular Biology and Evolution
Natural Selection of the Rhodopsin Gene During the Adaptive Radiation of East African Great Lakes Cichlid Fishes
Graduate School of Bioscience and Biotechnology, Tokyo Institute of Technology, Yokohama, Japan
| The first 150 words of the full text of this article appear below. |
The Great Lakes of the East African Rift Valley, Lakes Victoria, Malawi, and Tanganyika, harbor approximately 200, 400, and 170 endemic species of cichlid fishes, respectively (Fryer and Iles 1972
, pp. 6590; Greenwood 1991
). These fishes have fascinated evolutionary biologists as spectacular examples of explosive adaptive radiation among living vertebrates because the fishes have adapted to a variety of niches in the lakes (Fryer and Iles 1972
; Greenwood 1984
). Accordingly, they are extremely diverse, both ecologically and morphologically, despite having evolved over a very short period (Meyer et al. 1990
; Sturmbauer and Meyer 1992
; Johnson et al. 1996
; Takahashi et al. 2001
). The visual systems of these fishes are of particular interest because they are important for feeding (Fryer and Iles 1972
) as well as for mate choice (Seehausen, van Alphen, and Witte 1997
; Seehausen and van Alphen 1998
),
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