The state is on a campaign to remove invasive smallmouth bass, which harm ecosystems and eat other fish, threatening native species. Colorado Parks and Wildlife runs a fishing tournament every other ...

Mudskippers break the rules of fish biology by breathing through their skin, walking on their fins and thriving on land where water disappears twice a day.

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (NEXSTAR) — It is not common for the oarfish ...

When oxygen disappears, most fish suffocate. This one ferments its own metabolism and waits months for spring beneath frozen lakes.