Why nice guys usually get the girls

		IMAGE: The Aquarius remigis water strider on the right, identified by the blue-red-white dot sequence, is a highly aggressive male who is trying to break up a mating. The low-aggression water... Click here for more information.

Female water striders often reject their most persistent and aggressive suitors and prefer the males who aren't so grabby, according to new research. Water striders are insects commonly seen skittering across the surface of streams.