Welcome! I am Alex Wayne and I am the founder of Koiusa.com. My team is using personal experience, published studies, and lots of anecdotal evidence from our time spent on fish forums. We aim to deliver the best, most trusted advice when it comes to starting or growing your fishkeeping hobby.
We want to provide helpful information about home aquariums, fish, and other aquatic critters. Our mission is to make complex or confusing topics into clear, easy-to-read guides with no confusing terms.
© Koi USA
Leopard Bush Fish Tank Mates: A Complete Guide
Oscar Fish White Fungus: Causes & Treatments
Can Fish Eat Lettuce? – What Vegetables Can Fish Consume?
Will Gouramis Eat Shrimp? – Must-Know Knowledge For Aquarists
Do Koi Fish Need Oxygen? & Do Koi Need Oxygen Air Pump?
4 Common Causes Of Oscar Fish Skin Peeling Off
How Fast Do Guppies Grow? 4 Growth Stages Of Guppies
Orange Bristlenose Pleco: An Overview & Care Guides
Can Fish See In The Dark To Eat? – Detailed Answer
Do Crayfish Eat Snails? All Things You Need to Know
Goldfish Growth Tips & Knowledge – A Complete Guide For Beginners
Female Endler VS Female Guppy – What Are The Key Differences?
Croaking Gourami Vs. Sparkling Gourami: How Are They Different?
Can Fish Eat Cheese? Here is The Answer!
The Best Diatom Eating Fish for Your Tank – A Full List
How To Lower pH In Aquarium With Vinegar? Safely Adjust pH For Your Tank
Why Did My Snail Leave Its Shell? The Correct Answer Is Here!
Can Plecostomus And Betta Live In The Same Tank? Click For The Answer
Do Turtles Need A Water Heater? Detailed Explanation For Beginners
Can Too Much Oxygen Kill Fish? All That You Need To Know