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Continued warming of Atlantic coastal waters may enhance the spread of invasive blue catfish

Warming may promote spread of invasive blue catfish


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IMAGE: Dr. Vaskar Nepal tests the temperature and salinity tolerance of blue catfish in the Seawater Research Laboratory at VIMS.
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Credit: © M. Fabrizio/VIMS.
A study by researchers at William & Mary s Virginia Institute of Marine Science suggests that continued warming of Atlantic coastal waters may enhance the spread of invasive blue catfish within the Chesapeake Bay and other estuaries along the U.S. East Coast.
The research, by Drs. Vaskar Nepal and Mary Fabrizio of VIMS, appeared in a recent issue of
PLOS ONE. It builds on an earlier study by the two authors showing that blue catfish can better tolerate salinity spikes than most freshwater fishes, and thus may be able to expand their range downstream into mainstem Chesapeake waters, and from there into new Bay tributaries and even Delaware Bay. Blue cats were introduced to tidal freshwater stretches of the James, York, and Rappahannock rivers during the 1970s and 1980s t ....

Mary Fabrizio , Seawater Research Laboratory , William Mary Virginia Institute Of Marine Science , Fisheries Science Department , Virginia Institute , Marine Science , Chesapeake Bay , Vaskar Nepal , Research Laboratory , மேரி ஃபேப்ரிஜியோ , கடல் நீர் ஆராய்ச்சி ஆய்வகம் , வில்லியம் மேரி வர்ஜீனியா நிறுவனம் ஆஃப் கடல் அறிவியல் , மீன்வளம் அறிவியல் துறை , வர்ஜீனியா நிறுவனம் , கடல் அறிவியல் , செசபீக் வளைகுடா , ஆராய்ச்சி ஆய்வகம் ,