People often think that goldfish are just a few inches long. Sadly, this is because most pet goldfish don’t live long enough to grow beyond this. However, with good care, goldfish have the potential to be much bigger. Common goldfish can easily grow to be 10 inches long and fancy goldfish can reach 8 inches. And […]
Biology and Behavior
How to make goldfish grow: Influencing goldfish growth rate
Lots of fish-keepers love the idea of having a big, impressive fish to show off to their friends. So it’s no surprise that people ask us how to make goldfish grow. You will need lots of tank space, quality water, warm temperatures and a nutritious diet to make a goldfish grow to a large size.
Do goldfish have tongues?
Find out whether your fish has a tongue Goldfish are interesting animals to own and observe, and learning more about their anatomy and natural behavior is one of the most enjoyable parts of goldfish keeping. Two of the most common questions asked by goldfish keepers are “do goldfish have tongues?” and “if so, how do goldfish tongues differ from […]
Goldfish are smarter than you think!
The goldfish is one of the most popular of all the fish kept as pets. They are a group of freshwater fish belonging to the Family Cyprinidae, Order Cypriniformes, and one of the earliest species of fish to be domesticated. The myth that goldfish have a very short attention span has been making the rounds in the web and […]
The differences between goldfish and koi
Although goldfish and koi carp are sometimes kept together in the same pond, and are related, the two types of fish are actually very different species. Read on to find out more about the differences and similarities between koi carp and goldfish.
Decoding goldfish behavior
If you keep pet goldfish, you have almost certainly spent many hours watching them go about their daily lives, interacting with their surroundings and each other, and doing all of the normal things that goldfish do! But have you ever watched your goldfish swimming around and wondered exactly why they are doing what they are […]
Can goldfish hear sound?
Can goldfish hear sound? Many goldfish keepers wonder whether their fish can hear them speaking or tapping on the side of the tank. But how could goldfish hear sounds when they don’t have any ears?! Read on to find out whether goldfish hear and, if so, how they do it!
Why do goldfish change color?
Have you looked at your goldfish recently and thought that it looked a different color? Have you compared old photos of your goldfish to now and noticed that your fish’s color used to be brighter? You may even have noticed your goldfish gradually turning white! Don’t worry, you’re not going crazy! It’s actually perfectly normal for […]
Do goldfish have stomachs?
This is one of our favorite goldfish facts! Did you know that goldfish don’t have stomachs?!
Do goldfish have teeth?
Yes! Goldfish have teeth. But they’re near the back of their throats! People are often surprised to hear that goldfish have teeth. But it’s true, they do! Don’t worry though… they don’t look like the teeth in this picture and your goldfish won’t bite you! You won’t be able to see goldfish teeth simply by […]
