SAN FRANCISCO — Lions and tigers and bears and… guppies? Don't let its tiny size, delicate tail or fondness for aquarium life fool you; a new chemical analysis places the guppy high up on the food ...
The male guppies that were depicted in this sexual selection model only begin to demonstrate the vast range of colors and patterns expressed by wild guppies. Below are some examples of wild guppies, ...
From our perspective, guppies lead simple lives—eating, reproducing, and, after a couple of years, dying. Apply a little evolutionary pressure, though, and they can evolve larger brains that make them ...
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