FishCompat
Betta (Betta splendens) in a freshwater aquarium

Osphronemidae

Betta

Betta splendens

Bettas are beginner-level semi-aggressive aquarium residents that reach about 2.8 in. Bettas do best with calm tank mates that will not nip fins or compete for the surface. Avoid other male bettas, flashy guppies, and fast fin nippers.

Compatible6 compatible54 caution19 avoid

Quick Stats

Tank

5+ gal

pH

6.5-7.8

Temp

75-82F

Size

2.8 in

Temperament

Semi Aggressive

Care

Beginner

Swim Level

Top

Group

Solo or pair

Betta Care Guide

The Betta (Betta splendens) is a beginner-level freshwater aquarium resident from Thailand, Cambodia, Vietnam. It reaches about 2.8 inches and should be kept in tanks of at least 5 gallons.

Keep water near pH 6.5-7.8, temperature 75-82F, and hardness 3-12 dH. Feed carnivore, pellets, frozen food with 1-2 small feedings daily.

Bettas do best with calm tank mates that will not nip fins or compete for the surface. Avoid other male bettas, flashy guppies, and fast fin nippers.

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Species To Avoid