Watch these small red fish finally get a safe and clean place to live. They start off in poor conditions, struggling with water that isn’t stable or safe. Step by step, a natural system is built to ...

Fish are known for their swimming skills. It seems absurd to think of fish functioning outside their aquatic environment, ...

Scientists discovered a tiny fish that can climb up a 50-foot waterfall in the Democratic Republic of Congo, a rare feat for a small fish.

By Marta Serafinko April 7 (Reuters) - A species of small fish has been observed by the thousands climbing a vertical ...