Tangs

Blue hippo tangs grow big. They can grow over a foot long in just 2 years. That’s about 12 inches. Also, they have a nasty temperament. Therefore, the ideal blue hippo tang size is 180 gallons (680L) for a single fish.

The adorable and somewhat gullible sidekick from Pixar’s 2003 blockbuster Finding Nemo became so popular that she got her very own feature film, aptly titled …