The Aquarium of the Pacific in Long Beach has rescued nearly 600 endangered tidewater goby fish that were impacted by ash and chemicals from the Palisades Fire.

Betta fish, often called Siamese fighting fish, are among the most popular aquarium pets due to their vibrant colors and unique personalities. However, their beauty and resilience don’t negate the ...

Note – a larger tank (at least 20 gallons) is often better for tropical fish, as it provides more swimming room and makes it easier to maintain stable water conditions. Make sure you position ...

A huge Mola Mola fish, also known as an ocean sunfish, found itself stranded near the Florida coast. What's a very large and ...

housing around 1,500 tropical fish. Photos: Zuma Press Video from around the world on the latest news developments, with insight from Wall Street Journal editors and reporters.