The best way to identify a goldfishes tail is to have a closer look, but the best way is to go inside.
A silverfish is one of the most beautiful of all fish, with its white and blue scales.
It can grow up to a foot long and can be as much as 3 feet long.
The silverfish can be found in lakes, rivers and ocean.
The goldfish can grow to more than twice that size, but its not as rare as the silverfish.
A goldfish is a member of the phylum Sarcopterygii.
A goldfish has a head and fins and is a common sight in swimming pools, rivers, lakes and oceans.