Called the ‘King of the Aquarium’, these freshwater fish come in a variety of colours and patterns. These fish require warmer ...

Cleaning a fish tank is a delicate process. Discover how to change water without throwing a tank's ecosystem into disarray.

A yellow mark stains the blue water tank sitting in the front yard of Lucimar Dias dos Santos Silva’s home. The same color, ...

Southeast Asia’s Mekong River is one of the world’s most diverse and productive freshwater ecosystems, home to more than ...