With 1000's of possibilites of fish suitable for aqauriums it is hard to limit this catagory. if you do not see what you are looking for inquire with us and we check check availbility. Compatibility of all fish must be considered. By this we cosider what other fish will be housed within the tank. How big the aquarium is as well. it is a general rule to have one inch of fish per ten gallons of tank water. The overal survival rate of these fish within captivity. Our goal here is a pet for the long term not some unique fish that may die within weeks of arrival.