The Moorish Idol is a striking marine fish known for its distinctive black, white, and yellow bands ... for their vibrant colors and flowing fins. While they are common in pet stores, some rare ...

The oscar fish, a unique-looking fish from South America, is popular in the fish-keeping world thanks to its hardiness and striking colors. All oscar fish have the same care requirements, but ...

Koi have six types of color cells in their skin. Their cells can be red, yellow, black ... and today they're some of the most expensive pet fish in the world. But why? Koi were originally raised ...