Goldfish and Tetras

Goldfish and Tetras: The Odd Couple of the Fish World

Did you just return from your local fish store with a brand-new goldfish and tetras? You may be wondering if it’s okay to keep these two fish together. Unfortunately, the answer is no. I know, I know. You’re probably thinking, “But they’re both small fish! They’ll be fine together.” I’m sorry to say that this … Read more

How Many Goldfish in a 20 Gallon Tank

How Many Goldfish Can You Keep in a 20-Gallon Tank?

When you buy a goldfish from a pet store, you might not realize that the cute little inch-long fish you took home will quickly grow. So, many goldfish end up living in tanks that are far too small, leading to long-term health problems. Ideally, goldfish need a 20-gallon tank as a minimum requirement. So, how … Read more

Goldfish Poop

Goldfish Poop: What Do the Different Colors of Their Poop Mean?

Goldfish are popular among aquarium fish but are very messy fish. They produce lots of fish waste. As unpleasant as it may seem, goldfish poop can indicate their health. It can tell you whether your goldfish has an infection, digestive issue, or other health issues. Why is it important to keep an eye on your … Read more

How Many Goldfish in a 10 Gallon Tank

How Many Goldfish in a 10 Gallon Tank?

Is it cruel to keep goldfish in a 10-gallon tank? How many goldfish can you put in a 10-gallon tank? Some people believe keeping goldfish in a 10-gallon tank is cruel. They argue that goldfish are social creatures and must be kept in groups. Also, they argue that goldfish need a lot of space to … Read more

goldfish breeding

Goldfish Breeding: The Secrets Each Aquarist Should Know!

Breeding is one of the most advanced parts of fish-keeping, so if you’re here, congratulations! We’re pleased to join you on your fish-keeping journey and can’t wait to tell you everything we know about goldfish breeding. Is It Easy To Breed Goldfish? No. Breeding goldfish in captivity is difficult and requires much preparation and patience. … Read more

How Long Can Goldfish Live

How Long Can a Goldfish Live? Everything You Need To Know

Did you just buy a goldfish? Or are you thinking about adding one to your home aquarium? Congratulations! Goldfish make great pets. They’re beautiful, peaceful, and relatively easy to care for. So how long can a goldfish live, on average? The answer isn’t as simple as you might think. It depends on several factors, from … Read more

fantail goldfish

Fantail Goldfish Care Guide: All You Need To Know!

You’ve just got a beautiful little Fantail goldfish from the pet store, and you are so excited to have it in your tank. I had my first Fantail goldfish when I was a kid, and I completely understand how you feel right now! From my experience, I can tell you that goldfish are extraordinary pets … Read more

Goldfish Turning Black

Why Is My Goldfish Turning Black: Causes and Treatment

It’s in the name: goldfish are gold. So why is yours turning black? Unfortunately, this isn’t good news and your fish might be suffering from ammonia poisoning. But don’t worry, with some quick correction to water parameters, your fish will be back to its bright metallic coloration in no time! Keep reading to find out … Read more

Best Goldfish Food Brand

The 7 Best Goldfish Food Brands For A Longer Lifespan

Goldfish are just about the most popular pet fish in the world, followed closely by betta fish. Many families buy goldfish for their kids, but keeping these beautiful fish happy and healthy is not simple. Goldfish can grow up to 12 inches long, depending on the species, so they need a large tank or a … Read more

Goldfish Tankmates

Goldfish Tankmates: Well-Matched Companions For This Humble Fish

Goldfish are traditional pets that are often bought for kids. Many of these beautiful fish end up living in isolation in their tank, apparently very happily.  But does your goldfish really need a tank mate? The simple answer to that question is yes! In this guide, we take a closer look at the humble goldfish … Read more

Redcap Oranda

Redcap Oranda Fancy Goldfish Profile And Care Guide

Most hobbyists began their lifelong fishkeeping obsession as kids with a pet goldfish.  But, those goldfish were most likely a comet, or common, goldfish rather than one of the more exotic fancy varieties. These types of goldfish are relatively easy to keep, which makes them good beginner fish, and can be relocated to a garden pond if … Read more


Oranda Goldfish Complete Care Guide

Did you have a pet goldfish when you were a kid? Many of us did, but that fish was likely nowhere near as exotic or downright weird-looking as the oranda fancy goldfish.  In this guide, we introduce you to the beautiful oranda and include top tips and advice on how to keep this peaceful fish happy and … Read more

Calico Goldfish

Calico Goldfish (Carassius auratus) Care Sheet & Information

Goldfish come in many shapes and sizes and it can be difficult to correctly identify the true name and variation of your goldfish. The calico goldfish is one of these variations and can be easily identified by their usual tri-color patterns. It should be noted that sometimes shubunkin goldfish are referred to as calico goldfish … Read more


Anacharis: Source Of Food For Goldfish, Cichlids, And Apple Snails

Living aquatic plants not only look beautiful in your display tank, but they provide several essential functions. Plants use carbon dioxide and give off oxygen, helping to oxygenate the tank water for your fish. Also, plants use the nitrates in the water as fertilizer, helping to keep the aquarium environment healthier for your fishes. Lush … Read more


Shubunkin Care Guide: Spotted And Colored Goldfish

Goldfish are a perennially popular pet with both adults and kids alike, and Shubunkins with their variegated colors are easily the favorite variety of these super-cute, beginner-friendly fish. But there’s more to the mysterious Shubunkin than just pretty colors! In this article, we take a closer look at the Shubunkin goldfish, including explaining how to … Read more