Oscar Fish vs Piranha: Key Differences, Behavior, and Why They Shouldn’t Live Together

by Aquarium Buddies Team | Mar 11, 2026 | Oscar Fish

Aquarium hobbyists are often fascinated by large and powerful freshwater fish. Two species that frequently spark curiosity are the Oscar fish and the Piranha. Both originate from South America and have reputations that make them stand out in the aquarium world....

How Much Is an Oscar Fish? A Complete Price Guide for Aquarium Owners

by Aquarium Buddies Team | Mar 5, 2026 | Oscar Fish

If you’re thinking about adding an Oscar fish to your aquarium, one of the first questions that usually comes up is: how much is an Oscar fish? The good news is that Oscars are surprisingly affordable compared to many other large aquarium fish. In most cases, Oscar...

Oscar Fish as Pets: A Complete Guide to Keeping These “Water Puppies”

by Aquarium Buddies Team | Mar 2, 2026 | Oscar Fish

Oscar fish have earned a special place in the aquarium hobby thanks to their intelligence, bold personalities, and interactive behavior. Known scientifically as Astronotus ocellatus, these large South American cichlids are often called “water puppies” because of the...

What is an Oscar Fish? A Complete Guide to This Intelligent Aquarium Giant

by Aquarium Buddies Team | Feb 12, 2026 | Oscar Fish

If you’ve ever walked past a large aquarium and noticed a fish staring back at you—almost recognizing you—there’s a good chance you were looking at an Oscar fish. So, what is an Oscar fish exactly? The Oscar fish, scientifically known as Astronotus ocellatus, is a...

Aquarium for Oscar Fish: Complete Tank Setup, Care, and Long-Term Success Guide

by Aquarium Buddies Team | Jan 22, 2026 | Oscar Fish

Oscar fish are among the most popular large freshwater aquarium fish—and for good reason. Known for their intelligence, expressive behavior, and dog-like personalities, Oscars often feel more like “wet pets” than ordinary fish. However, keeping an Oscar fish is a...

Oscar Fish Male and Female: How to Tell the Difference (Complete Sexing Guide)

by Aquarium Buddies Team | Jan 19, 2026 | Oscar Fish

Oscar fish are bold, intelligent, and full of personality—but one question frustrates almost every Oscar owner at some point: how can you tell if an Oscar fish is male or female? Unlike guppies or angelfish, Oscars are not sexually dimorphic, meaning males and females...