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Fish guides / Tiger barb
Schooling fish

Tiger Barb: Tank Size, Tank Mates and Setup

A bold, striped schooling fish and a well-known fin nipper. Keep six or more in 29 gallons or larger.

Minimum tank
29 gallons
Temperature
72–79°F
Group size
6 or more
Adult size
3 inMiddle of the tank
  • A bigger group (8 or more) keeps the nipping within the school.
  • Don't keep with long-finned or slow fish.

Puntigrus tetrazona. Figures are commonly published care ranges; see how it works.

How many tiger barbs per tank size

The most you could keep if tiger barbs were the only species. Open a size in the builder to add tank mates.

TankTiger barb, kept alone
5 gallonToo small (needs 29+ gal)
10 gallonToo small (needs 29+ gal)
20 gallonToo small (needs 29+ gal)
29 gallonUp to 10Plan this tank
40 gallonUp to 15Plan this tank
55 gallonUp to 20Plan this tank
75 gallonUp to 28Plan this tank

What you need for tiger barbs in a 29-gallon tank

A starting setup: 6 tiger barbs in the smallest standard tank that suits them.

Your blueprint

29-gallon tank

6 tiger barbs
Stocking level50% · Good
  • These fit a 29-gallon tank and get along. Aim for about 76°F.

Equipment, sized for this tank

Tank: 29 gallons
Standard size: 30 × 12 × 18 inches, about 330 lbs when full.
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Heater: 100 watts
Holds 29 gallons at 76°F in a 68°F room.
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Hang-on-back filter: 150+ gallons per hour
Turns the tank over about 5 times an hour.
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Gravel or sand: 35 lbs
Enough for a 1.5-inch layer in this tank.
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LED light and lid: 30 inches long
A lid cuts evaporation and stops fish and snails getting out.
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Starter supplies

Water conditioner
Removes chlorine from tap water. Roughly 2.9 mL per full fill; follow your bottle's label.
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Liquid water test kit
For cycling the tank before fish go in, and for checking water after.
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Thermometer
A heater's dial is only a rough guide.
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Gravel vacuum
For weekly water changes of about 7 gallons (25%).
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Tropical flake food
For your tiger barbs.
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Paid links. As an Amazon Associate, TankStarter earns from qualifying purchases. Sizes are estimates from published care guidelines, not hands-on testing.

Tiger barb tank mates

These share a temperature range and temperament with tiger barbs, with no warnings from our checks.

Use caution with: betta, guppy, pearl gourami, angelfish, fancy goldfish, cherry shrimp, amano shrimp. Add them in the builder to see why.

Plan a tank around tiger barbs

Add tank mates, check the stocking level and get the equipment sized for your tank.

Open the tank builder

Tiger barb questions

What size tank does a tiger barb need?

At least 29 gallons for a group of 6. A larger tank is more stable and gives you more choice of tank mates.

How many tiger barbs can I keep in a 29-gallon tank?

Up to about 10 if they are the only species in the tank. Fewer if you add other fish.

Do tiger barbs need a heater?

Usually yes. Tiger barb does best at 72–79°F, which is warmer than most rooms. A 29-gallon tank needs about 100 watts in a 68°F room.

What fish can live with tiger barbs?

Good matches include neon tetras, cardinal tetras, ember tetras, rummy-nose tetras, black skirt tetras, Endler's livebearers. They share a temperature range and temperament with tiger barbs.