Oscar fish come in various colors such as red, orange, albino, and tiger patterned.
Oscar fish change colors when they are stressed. They dig because they are curious.
In the books it is colorful and full of about 15 different colors but in reality these fish have about 6 different colors which is probably why they call it the Rainbow Fish.
Oscar is a type of fish so he is a Oscar fish
they are different colours
Usually the larger the fish the more money it costs. Different pet shops have different mark ups as do different wholesalers and breeders. An Oscar can cost anywhere from a dollar to a hundred dollars or more.
A Redtail and an Oscar are two different types of fish
Because so you can diferense it
Thousands.
Oscar fish can be caught in the canals of Southern Florida.
Oscar fishes breed is Oscar
The use many different colors to give the fish a verity of things. For example you don't always eat the same different thing you like a verity. So do fish.
Not totally sure but if the black Oscar is bigger that could be the reason