Start with the Right Tank Size When it comes to setting up a fish tank, bigger really is better—especially for beginners.

Here are our favorite types of freshwater fish you can keep as a pet. If you're in the throes of setting up a home aquarium, ...

And while the size of tank is only limited ... of the best species of fish for aquarists (the posh name for people who ...

Beyond the size of the tank, number of fish ... and sentient animals in such small tanks. While ornamental fish don’t travel the same distances as wild orcas, they are sentient—showing far more ...