Freshwater Fish With Teeth For Aquarium. Goliath Tiger Fish Goliath Tiger Fish are monstrous and intimidating fish with sharp and big teeth resembling daggers. 134 most popular aquarium fishes.
Therefore they need enormous aquariums or ponds. Very few people can resist a pufferfish once theyve seen them and the small figure 8 puffer might be one youd like to provide with a home in your own freshwater aquarium. They are known for jumping as high as 6 feet in the air for prey in the wild and have been known to jump out of aquariums.
Often sold as freshwater fish but this species prefers brackish water Dwarf pufferfish.
Topping this list of 5 freshwater aquarium fish that a beginner should avoid is Oscar. This species of fish are found in the Amazon and rivers in southern Africa. An extremely popular freshwater fish due to its prehistoric cosmetic appearance the Arowana is well known exotic freshwater fish. Albino Iridescent shark can reach 36 inches source There are six species of sharks that venture into freshwater.
