Can they live together?

Betta and Tiger Barb compatibility

Compare their preferred water conditions and basic behavior.

Betta

Betta / Siamese Fighting Fish

Tiger Barb

Tiger Barb

Not recommended

Tiger Barbs may nip Betta’s long fins.

Checked for 1 Betta and 7 Tiger Barb in a 72 L aquarium.

Shared environment

Recommended temperature
24 ~ 26°C

Recommended pH
6.5 ~ 7.5

Suggested group sizes

Betta: at least 1

Tiger Barb: at least 7

Together they need at least 72 L and about 80 cm of length.

Check that your aquarium is large enough for both species.

Side by side

ItemBettaTiger Barb
Average adult sizeabout 7 cm (medium)about 6 cm (small)
Recommended temperature24~27°C22~26°C
Recommended pH6.5~7.56.0~7.5
Water hardnessMedium hardnessMedium hardness
Minimum aquarium38 L, about 45 cm long72 L, about 80 cm long
Group sizesingle is fineat least 7
TemperamentTerritorialSemi-aggressive
Social behaviorBest kept aloneShoaling fish
Swimming zoneupper & middlemiddle
Activity levelLowHigh
Waste levelLowModerate
With shrimpadults use caution, babies not recommendedadults not recommended, babies not recommended
Beginner level3/53/5

베타와 타이거 바브 합사에 필요한 용품

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Frequently asked questions

Can Betta and Tiger Barb live together?

Planner result: Not recommended. Tiger Barbs may nip Betta’s long fins.

What water conditions suit both Betta and Tiger Barb?

Keep the water at 24~26°C and pH 6.5~7.5, where both planner ranges overlap. Betta prefers medium hardness and Tiger Barb prefers medium hardness.

How big should an aquarium for Betta and Tiger Barb be?

At least 72 L and about 80 cm long, the larger of the two minimums (Betta: 38 L, Tiger Barb: 72 L). Group sizes add to the bioload, so bigger is safer.

How many Betta and Tiger Barb should I keep?

Betta: can be kept singly (best kept alone). Tiger Barb: at least 7 (shoaling fish).

Do Betta and Tiger Barb have similar temperaments?

Betta is territorial and swims in the upper & middle; Tiger Barb is semi-aggressive and swims in the middle. Activity: low vs high.

Sources & review

Each species' values are cross-checked against the references below and normalized into the planner's own ranges; the verdict comes from the planner's published rules. No text or images are copied.

Betta

Review confidence A on an A–C scale (A is highest); last reviewed 2026-10-07.

Tiger Barb

Review confidence A on an A–C scale (A is highest); last reviewed 2026-10-07.

How compatibility is checked

Try it in my aquarium

This is a guide. Individual behavior and aquarium conditions can change the outcome.