People often talk about “having the memory of a goldfish” to mean they’re forgetful, so it’s understandable that people think goldfish are unintelligent and wonder whether goldfish have brains at all. And it’s certainly not a silly question. Did you know that not all animals do have brains? For instance, starfish have a complex nervous […]
Biology and Behavior
Why do goldfish die? And how to keep them alive…
“Why do goldfish die?” It’s an important question to ask, because learning why goldfish die can help us understand how to keep them alive. With proper care, goldfish have the potential to live a very long time. In the vast majority of cases, there really is no excuse for a goldfish dying within weeks or […]
Do goldfish have tongues?
Two of the most common questions asked by goldfish keepers are “do fish have tongues?” and, if so, “how do goldfish tongues differ from human tongues?” While it’s not essential to know about your fish’s biology. We find that taking an interest in questions like this helps people to better understand their pets. And, if you understand your pet, you can […]
How big will my goldfish grow? How big was the biggest goldfish?
People often think that goldfish only ever grow to be 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 larger. Common goldfish can easily grow to be 10 inches long and fancy varieties can […]
How to train your goldfish
Goldfish aren’t as playful as cats and dogs, you can’t pet them, or take them out for walks, but you can engage with them in other ways – and even train them! How to train your goldfish to eat from your hand Yes that’s right, you can feed your fishy friends directly from your hand! […]
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 […]
The difference between koi and goldfish
Have you ever wondered whether goldfish and koi are the same type of fish? And whether they could breed with each other? Do you struggle to tell koi and goldfish apart? While they are related, the two types of fish are actually different species, with many differences between them. Read on to learn more about […]
