Watersnakes, commonly seen in the lakes, rivers and streams of the eastern United States, are invading California waterways and may pose a threat to native and endangered species in the state, according to a University of ...
An international team of scientists have discovered two new plankton-eating fossil fish species of the genus called Rhinconichthys (Rink-O-nik-thees) from the oceans of the Cretaceous Period, about 92 million years ago, when ...
Researchers have looked at a species of fish to help unravel one of the biggest mysteries in evolutionary biology.
For many male African cichlid fish, the best way to attract a mate is to build a really nice pit or sand castle on a lake bottom.
An extremely rare eyeless catfish species previously known to exist only in Mexico has been discovered in Texas.
Research into reef fish species diversity will provide conservationists with new information to protect the Great Barrier Reef.
New research shines light on surprising numbers and evolutionary variety of bioluminescent ocean fish
A study appearing in the journal PLOS ONE this week shows that bioluminescence—the production of light from a living organism—is more widespread among marine fishes than previously understood.
Just three years after crayfish were introduced to a B.C. lake, two species of fish that had existed in the lake for thousands of years were suddenly extinct. But it's what took their place that has scientists fascinated.
They are some of the most interesting and unique creatures in the oceans - deep-sea life. Most people can identify a shark or sea turtle or whale, but many are shocked to see what a lanternfish or oarfish looks like. Deep-sea ...