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Naturally occurring bacteria likely responsible for deaths of fish in Bear Creek

Jun 28, 2018 | 10:58 AM

The results are back from the Alberta government as to what killed a number of fish in Bear Creek earlier this month.

Manager of Energy Management and Environmental Services with the City of Grande Prairie, Michelle Gairdner, says the white sucker fish likely died from a naturally occurring bacteria.

“The preliminary indicators point to something called columnaris outbreak which has resulted in the fish dying.  There are still some tests outstanding, but they don’t think those results will change at all.”

She says according to the government, the bacteria occurs in warmer than normal temperatures as well as in overpopulated locations.

Gairdner says that makes sense because they found most of the dead fish in the creek’s storm outfalls.

“(It has) slower moving water, so it is also not that deep so it warmed up. That’s probably what happened. It is overcrowded in there, there is high organic matter and then they are overcrowded in this warmer water.”

She says moving forward if they notice more deaths, officials can put barricades up so the fish do not get trapped in the storm outfalls area.