Walk the same stretch of coastline on two different days and you might notice something puzzling. One morning the water looks ...

The blue catfish, Ictalurus furcatus, is considered an invasive species in the Chesapeake Bay. Credit - forgotton0001. CC SA 2.0. The blue catfish, Ictalurus furcatus, is considered an invasive ...

Just as you might look down at the sidewalk as you walk, fish look downward when they swim, a new study by a Northwestern University-led international collaboration has confirmed. The study is the ...

Zebrabox images comparing swimming patterns in wild type zebrafish (left) and zebrafish with the NUS1 mutation (right). Note the affected fish swam slower than wild type fish and stayed near the ...

Fish stranded on shore often look helpless, all flops and wriggles. But that clumsy scramble may follow a surprisingly ...