Of all of the aquatic animals that could be collected in a gillnet on the Kenai River, crawfish are some of the least likely. Why? Because they do not naturally occur in the Kenai River or any other river in Alaska. Unfortunately, crawfish have been collected from the lower Kenai River twice in the last four years, and both times they were leftovers from someone’s dinner.

'There's nothing good about them.' They carry disease and cause billions in damage

Goldfish compete with native fish for food, potentially threatening an ecosystem.

Bull trout, which are technically char, mostly inhabit cold and pristine snow-melt-fed waters. Changes in water quality and temperatures challenge the future for this species in Alberta.

The Capital Regional District recently issued an alert sheet for Poison Hemlock (Conium maculatum).