Best Solo Fish For Aquarium. The Cardinalfish tend to. They are easy to care for and can be kept in tanks with at least 30 gallons of water but like many other types of Gourami they do require space at the top of the tank so they can breathe air.
Some people have their lions in with other fish so doesnt have to be solo but would be a cool solo. The Cardinalfish tend to. Betta fish are the only fish even remotely appropriate for a one-gallon tank.
The ideal fish youre looking for are peaceful and adequately sized for your planned tank.
They are smaller than most Barbs and are suitable for the smallest tanks. This great saltwater fish seems to have added another level of. Pea puffers are cute though but again not a solo fish if you dont want it to be and not a big fish at all lol A lion fish could be cool if youre okay with marine. They are smaller than most Barbs and are suitable for the smallest tanks.
