Non aggressive tropical fish species

Tropical Fish Species

This helpful guide will give you the basic and necessary pet fish species descriptions, compatibility and characteristics of some of the more common freshwater fish species that are popular for the tropical aquarium.
There are thousands of pet fish species that are common in the aquarium trade, so this list will be ever-growing. The information here is from credible sources, written by aquarium fish hobbyists and long time aquarium keepers. New tropical fish species information will be included here, from freshwater fish, to cichlids, bottom feeders, brackish fish, invertebrates and more.
Reference this useful aquarium fish descriptions list with the facts that you need to have a successful tropical fish aquarium.
If you are looking for information on Koi fish, the most popular pond fish or Gold Fish, we have created a page entirely devoted to these unique tropical fishes.
Also see our page on the ever popular first timer's fish, the siamese fighting fish also called the Betta fish and the large Oscar fish.

Zebra Danios

Zebra Danios are surface dwellers and a peaceful schooling fish. Zebra fish are very active, lively and hardy. An excellent addition to any tropical aquarium because they are never shy, always visible and they feature a beautiful shimmering silver color that gives life to the aquarium. Zebra Danios are one of the best freshwater fish for starting out an aquarium. Zebra Danios are best kept in schools of 4 or more. When kept alone, they tend to be shy and nervous and get easily stressed out. Zebra Danios will school with other types of danios (leopard danios and spotted danios for example).
Maximum size: 2 inches - Average size: 1 inch
Sex differences: Females have more of a vivid silver tone then males and they grow larger and more round then the male zebra danio.

Freshwater aquarium

by sage9x

A saltwater aquarium is going to be a massive time suck and a money pit. I advise against it. I really enjoyed my freshwater aquarium, but I never really had a problem with hard water. They make water conditioners for that, though.
I really enjoyed my freshwater aquarium. It was not that expensive, and if you get the right kind of fish, they are hard to kill. I stuck with Rafael catfish(hard to find the spotted kind), senegal bichirs(some people call them dinosaur eels), chichlids(super aggressive), and oscars. Don't forget to also include an algea eater(like a pleco), and several mystery snails

Adult Corydoras Catfish to a good home.

by Manticor892

I have a twenty five gallon tall planted aquarium and I bought a tiny little cory cat not realizing at the time that they grow to be ~3 inches long. I have plenty of room in my tank but honestly my cat has become too aggressive to other bottom feeders like algae eaters for me to keep him. The aggression is probably due to the size of my tank and my oversight. He has never been aggressive to mid or high water community fish. I am happy to give him away to someone who has a good size freshwater aquarium. I can provide a picture if necessary but a quick Google of corydoras will give you a good idea

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