How Many Oscars Can You Keep Together?
How Many Oscars Can You Keep Together? Figuring out how many Oscars in one tank you can safely keep is one of the most important decisions you will make as an Oscar owner. Get it right and you have an…
Semi-Aggressive Fish Compatibility Chart
Semi-Aggressive Fish Compatibility Chart Semi-aggressive fish compatibility is one of the trickiest areas of freshwater fishkeeping to get right. Semi-aggressive fish fall into a gray zone — they are not peaceful enough for a standard community tank, but they are…
Can Oscar Fish Live Alone? Solo Oscar Care
Can Oscar Fish Live Alone? Solo Oscar Care Can Oscar fish live alone is a question we hear from almost every new Oscar owner. The short answer is yes — Oscars do perfectly well as solo fish, and in many…
Oscar Fish Aggression: Are They Really Fighting?
Oscar Fish Aggression: Are They Really Fighting? Oscar fish fighting is something every Oscar owner witnesses sooner or later, and it can be alarming the first time you see it. Your Oscars are locking jaws, chasing each other around the…
Oscar Fish Feeding Schedule: How Much & How Often
Oscar fish feeding schedule planning is one of the most important aspects of oscar care that many keepers overlook. We see too many oscar owners either feed randomly throughout the day or dump food in whenever the fish begs —…
Best Fish Food: Complete Guide for All Species
Best fish food depends entirely on what species you keep, but some principles apply across the board. We have fed everything from tiny neon tetras to massive oscar cichlids over our years in the hobby, and the quality of food…
Best Oscar Fish Food: Pellets, Live & Frozen
Best oscar fish food can make the difference between a dull, sluggish oscar and a vibrant, energetic one that lives well beyond a decade. We have tested pellets, sticks, frozen packs, and live options from nearly every major brand, and…
How to Make a Brine Shrimp Hatchery for Oscar Fry
DIY brine shrimp hatchery setups are one of the best investments you can make as a fishkeeper. We have hatched thousands of batches of brine shrimp over the years, and the process is surprisingly simple once you have the right…
Bio Wheel Filters: Are They Good for Oscar Fish?
Bio wheel filters — also called bio-wheel HOB filters — were once considered the gold standard for biological filtration in freshwater aquariums. We take a look at how bio wheel technology works, whether it is still a good choice for…
Best Lighting for Oscar Fish Aquariums
Best lighting for oscar fish is simpler than most aquarium lighting guides make it seem — oscars do not need specialized spectrum, high output, or expensive fixtures. We cover everything here: what type of light works best, how long to…
Best Filter for Oscar Fish: Complete Buyer’s Guide
Choosing the best filter for oscar fish is one of the most impactful decisions you’ll make for your tank, and skimping here is the single biggest mistake we see new oscar keepers make. Oscars produce more waste than almost any…
Best Tank Size for Oscar Fish
Oscar fish tank size is one of the most important decisions you’ll make as an oscar keeper, and getting it wrong leads to stunted growth, aggression, and chronic health problems. We’ve kept oscars in everything from 55-gallon tanks (a mistake…