You can double-check with a simple water test kit. But here's the thing, all the bacteria in the world won't keep your fish alive if the tank is too small. You see, as these bacteria gobble up ...

Whether a small, sterile bowl with a single forlorn fish sitting on a kitchen table or a large tank in a municipal aquarium, they are designed to keep fish in captivity for human enjoyment. Within ...

Be careful keeping them with larger fish that may try to eat them. They do well in smaller 20-gallon tanks so they’re a great beginner option. Yellow Watchman Goby Help Keep the Tank Clean ...