Types of Pet Fish
# Gold Fish
Goldfish and common carp can mate and produce offspring
The Oscar fish has teeth in its throat!
The Flowerhorn fish is an artificial species; it does not exist naturally
In Japanese, the word koi sounds like the word for love. So the fish is a symbol of love among other good things.
Have sharp spines below their eyes
#Siamese Fighting Fish
Can live in low-oxygen environments!