Periods of deep, clear water in Lake Malawi over the past 800,000 years coincide with bursts of species diversification, researchers show in a new report. Africa's Lake Malawi is home to hundreds of ...

Despite the dramatic difference between day and nightlife, how fish exploit different times of day has not been studied systematically. Scientists explored alterations in the circadian timing of ...

Sex-determining systems may evolve rapidly and contribute to lineage diversification. In fact, recent work has suggested an integral role of sex chromosome evolution in models of speciation. We use ...

This is an old article, reposted from the original WordPress incarnation of Not Exactly Rocket Science. I’m on holiday for the moment, but you can expect a few new pieces here and there (as well as ...

Figure 1: Representative rock-dwelling cichlid species from Lake Malawi. Figure 2: The phenotypically derived species has higher endogenous levels of Wnt signalling during craniofacial development.

Researchers from the University of Konstanz, the University of California-Los Angeles, Tel Aviv University and the Inter-University Institute for Marine Sciences in Eilat gain new in-sights into how ...

PROVIDENCE, R.I. [Brown University] -- Africa's Lake Malawi is home to hundreds of species of cichlids, the freshwater fish whose broad array of colors make them popular denizens of household ...