WAUSAU (WAOW) -- Cooler temperatures are slowing down spawning for sturgeon and wall-eye.
Warmer temperatures caused sturgeon, and wall-eye to start spawning earlier than usual.
"They came on quick they spawned, and then they had to shut down real quick, because the water temperature started to cool off a little bit," said Tom Meronek, a DNR fish biologist.
But, now colder temperatures seem to have caused the fish to stop spawning.
"Basically, all it means is that the water has warmed up so much that they no longer have the instinct to come in and spawn," said Meronek.
Meronek said it's nothing to worry about.
"I don't think it's going to have a huge effect on the population level, because once the water warms up again the fish that did not spawn will more than likely start moving back in," said Meronek.
But, the chances of spawning reoccurring can only happen if colder temperatures do not plummet.
"As long as we don't see any drastic drop in temperature, I think we're going to be ok at least on the Wisconsin River," said Meronek.
There are several places where sturgeon and wall-eye like to spawn, usually where there is fast moving water.
Meronek said DNR workers have spotted several wall-eye, and expect this fishing season will be a good one, despite the strange weather.
"I think it's going to be okay even with the spawning temperatures fluctuating like this," said Meronek.
The warmer weekend could be key, experts said over the next few days they will be watching to see if the fish will start to spawn again. They added spawning could even happen as early as Sunday.
Online Reporter: Julienne Ryan
As temperatures in North Central Wisconsin rise, so do concerns about flooding.
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