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Episode 243: Fertile Grass Carp in Ontario? How Worried Should We Be...
Two fertile grass carp were caught in Ontario’s Welland River. How worried should anglers be, and what do those captures actually tell us?
This week on Outdoor Journal Radio, Ang and Pete welcome back Fisheries and Oceans Canada aquatic biologist Trisiah Tugade to get the facts on grass carp in Canadian waters. Trisiah breaks down the confirmed captures, explains the difference between fertile and sterile fish, and clarifies why finding individual fish doesn’t mean an established population has taken hold.
The conversation covers spawning conditions, DNA detections, the threat to aquatic…
The skinny
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