Spiny dogfish eat small Atlantic codfish! DNA may provide some answers

Conventional observations show that spiny dogfish in the western North Atlantic rarely eat Atlantic cod. However, some believe the rebuilding dogfish populations are limiting depleted cod numbers by competition or predation. To find out what is going on, NOAA Fisheries scientists looked to genetic testing to confirm cod presence in dogfish stomachs. >click to read< 13:10

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