A 5 to 6-gallon fish tank gives you more choice in terms of tank mates for a Betta. While your choices are limited they can still add a bit more life to your tank! Here are my tankmate ideas. Certain types of shrimp such as cherry shrimp and ghost shrimp can make great tank mates for a 5-gallon tank… Betta fish are reputed to be feisty, aggressive, and territorial, and are often quoted as bad aquarium-mates. After cycling, I'd like to get a betta. The aggression is not as severe as when they are in the wild unless the breeding season is near. Yes, depending on your betta’s personality, he or she can peacefully cohabitate with other fish and invertebrates. Tankmates for betta… Here’s our top 5 list of favorite tank mates for you and your betta … Shrimp. There are many fish and invertebrates that feel comfortable in small tanks . Tank Mates For 5 Gallon Tanks. Males bettas are especially territorial in the company of other males, which is why they cannot be kept in the same tank. I'm currently cycling a 5 gallon tank. Please let me know your thoughts about overstocking and compatibility. However, for one with a Betta in … However, make sure their aquarium is at least 10 to 20 gallons with lots of cover and live plants or else the betta fish may become overly territorial. At 5 gallons in size, you’ll also be able to add some tank mates to your tank. Decor: One awesome-looking piece of driftwood and three live plants.