Owning a fish tank is like bringing home a small natural world that has lively sights and calming sounds of sweet little ...

Many people who keep fish at home notice one common thing after some time. The fish does not look the same as it did earlier.

Anthea Levi is a registered dietitian (RD) and reporter with more than 6 years of experience writing for major health outlets including Health magazine, BuzzFeed, Eat This, Not That!, and Livestrong.

The colourful Neon Tetra is probably the world's most popular pet tropical fish, and for good reason. It's a peaceful fish ...