They also tend to not trigger a betta’s aggression as they are not brightly colored and don’t have flowing fins, so they are not seen as a threat. While some can be chill and will leave other fish alone, others will attack anything that they feel is invading their space.īecause plecos are peaceful fish and generally mind their own business, they make one of the best tankmates for bettas. Can Bettas Live with Plecos?īettas – also known as Siamese fighting fish – have an aggressive and territorial nature. This is because plecos dwell at the bottom of the tank out of the betta’s way, are often herbivores and eat the algae on the tank so there is no competition over food, are smaller so they are not seen as a threat by the betta, and are peaceful. If your betta’s tank is being overrun by algae, you may be looking at putting a pleco into the aquarium to help out.īettas can be territorial and aggressive with other fish, yet bettas and plecos still make great tank mates.
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