Unlike Oscars, the sailfin pleco is a peaceful fish that prefers to keep to themselves in an aquarium. They will hardly interact with Oscars when kept in a spacious aquarium over 125 gallons in size.

Many of us eat, hear about or see baby fish without ever considering their true adult size. A lot of fish that may seem small and manageable can grow up to be colossal fish that defy our expectations.

Gayle Laird, California Academy of Sciences Scientists say the world’s oldest aquarium fish is likely older than they originally thought. The California Academy of Sciences (CAS) revealed on ...