Tank size gets more complicated if you’re getting multiple fish. Many experts advise another 10 gallons per extra fish. In sum, you’re looking at about 40 to 50 gallons for a pair of goldfish.

Basically, the platform works by moving in a direction based on where the fish is in the tank. Once they had it set up, researchers used color-coded environments to teach the goldfish how to ...

A team of biomedical engineers and neuroscientists trained six different fish to successfully steer the four wheeler. The fish were placed in a small tank mounted in place of the driving seat on ...