They came to south Florida in a quiet, undetermined way, and are making a name for themselves. They are short and stocky and full of fight. When they strike, they hit hard. These hardy fish, ...

The phenomenon of adoption has taxed the minds of evolutionary scientists since Darwin first came up with his account of natural selection. According to Richard Dawkins's description, adoption is "a ...

Researchers have found that male African cichlids vocalize during courtship, and that females' sensitivity to these sounds increases when they are ready to mate. African cichlids enjoy an alien, ...

For a variety of reasons, many humans choose to adopt children. More surprisingly, adoption is fairly widespread in the animal kingdom, even though it would seem to counteract the basic premise of ...