Aggressive Freshwater Aquarium Fish. Theyre highly aggressive and predatory freshwater fish that grow up to 48 inches. The Walking Catfish is an air-breathing freshwater aquarium catfish.
They are well known for knocking down piles of decor so stack any rocks or branches strategically so. This species of fish are found in the Amazon and rivers in southern Africa. This is a freshwater fish and the most aggressive of the aggressive freshwater fish species.
Zebra Danios are most energetic when kept in small schools a group of 7-8 Danios will provide all the entertainment you need from a freshwater tank.
However there are some basics we need to follow before adding live fish to the tank. Aggressive fish tend to be territorial fight over. The Angelfish is among the most beautiful species you can get for your freshwater aquarium. The Red Devil is another cichlid species aptly named for their aggressive behavior.
