Setting up an aquarium requires more than just buying a tank and filling it with water. You must also determine tank size, ...

Set up a new guppy breeding tank with us and enjoy a peaceful nighttime feeding session as these vibrant little fish settle ...

Keeping a fish tank shouldn’t require a marine-biology degree. To craft our list of the best fish for beginners, Forbes Advisor teamed up with three aquarists and considered factors like ease of care, ...

The most expensive aquarium fish list for 2025, ranked. See the world's most expensive fish, worth over $400,000.

Michael Heithaus does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

A long-term fish experiment reveals how a mechanism called density dependence, in which the population growth rate slows as the number of individuals rises, affects population dynamics on time scales ...