Male or female goldfish? How to tell (with pictures)
What are the physical differences between male and female goldfish? And how do they behave when spawning?
Biology and Behavior
Do goldfish have brains? It’s NOT a stupid question!
Not all animals have brains, but goldfish do.
Why do goldfish die? And how to keep them alive…
Understand why goldfish die and what you can do to stop it.
Do goldfish have tongues? The truth might surprise you!
Goldfish don’t have tongues. But they do have something similar.
How big do goldfish grow? Some can be massive!
The biggest goldfish ever was almost 19 inches long!
How to train your goldfish to do clever tricks!
How to have your goldfish eating out of the palm of your hand!
Goldfish are smarter than you think!
Did you know, they can even recognise people?
