The Arowana is a very big but graceful fish that makes an incredibly attention-grabbing freshwater tank inhabitant. Are living-bearing species of fish like guppies and swordtails are notorious for breeding from the community tank. Often known as oto cats, otocinclus catfish are a few of the smallest aquarium fish on https://lingeriebookmark.com/story10246188/aquarium-setup-tips-can-be-fun-for-anyone