VANCOUVER — Fisheries scientists in British Columbia have recovered the bodies, but have few other clues and no prime suspect.
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“We haven’t seen something like this in the documented history â¦. So, these mortalities are obviously concerning, specifically in the Nechako, where this has not happened before to that extent,” said Gantner. As the largest freshwater fish species in Canada, white sturgeon are a “dinosaur” fish, said Sarah Schreier, executive director of the Fraser River Sturgeon Conservation Society.
“They are like the canary in the coal mine. They are a real barometer of the health of this ecosystem. So, when we see them struggling, it tells us that we need to be also looking at the overall health of the ecosystem and watershed,” said Schreier.