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 ...
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 ...
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