Piscora
Aquatic water texture background

Sumatra barb (Tiger barb)

Puntigrus tetrazona

AI-generated illustration of Sumatra barb (Tiger barb)
AI Generated
Photo All Rights Reserved

Sumatra barbs exhibit a striking pattern of black vertical stripes on a golden-yellow body and possess a distinctive dorsal fin with a pointed shape.

Freshwater

This page includes AI-generated images. Why am I seeing AI images?

About the Sumatra barb (Tiger barb)

Tiger barbs are little chaos nuggets in the best way-super active, always zipping around, and they look awesome with those four bold black bars and orange fins. The big trick is keeping them in a proper-sized group so they roughhouse with each other instead of shredding a slow, long-finned tank mate's fins.

Also known as

Tiger barbSumatra barbSumatran tiger barb

Quick Facts

Size

7 cm (2.8 inches)

Temperament

Semi-aggressive

Difficulty

Beginner

Min Tank Size

20 gallons

Lifespan

5-7 years

Origin

Southeast Asia (Indonesia: Sumatra and Borneo)

Diet

Omnivore - quality flakes/pellets plus frozen/live foods; will also take some plant matter

Water Parameters

Temperature

20-26°C

pH

6-8

Hardness

5-19 dGH

Need a heater for this species?

This species needs 20-26°C in a 20 gallon tank. Use our heater calculator to find the right wattage.

Calculate heater size

Care Notes

  • Keep tiger barbs in a group of at least 6-8 (10+ is even better) or they'll turn into fin-nipping little jerks and bully everything.
  • Give them a 20-30+ gallon tank for a proper school, with open swimming space and some plants/wood around the edges for breaks in the line of sight.
  • They're pretty flexible on water, but they do best around 74-79°F (23-26°C), pH roughly 6.0-7.5 (often slightly acidic to neutral), and steady clean water-spikes in ammonia/nitrite will show up fast as stress and nipping.
  • Feed small amounts 1-2x a day: a good flake/pellet as the base, plus frozen/live stuff like bloodworms or brine shrimp a couple times a week; toss in a little veggie (spirulina, blanched zucchini) so they don't get bloaty.
  • Tankmates: stick with other quick, confident fish (danios, larger tetras, rasboras, loaches) and avoid slow long-finned fish like bettas, guppies, angelfish, and fancy gouramis unless you want shredded fins.
  • If you want plants, pick tougher ones (Java fern, Anubias, crypts) and/or keep them well-fed-hungry barbs will sample soft new growth sometimes.
  • Breeding is doable: set up a separate tank with marbles/mesh or dense moss because they'll happily eat their own eggs; a cool-water change and heavy feeding often kicks them into spawning mode.

Compatibility

Good Tankmates

  • Other Tiger barbs (they seriously do best in a proper group-8+ if you can-so they chase each other instead of everybody else)
  • Zippy schooling fish that can handle the chaos, like larger tetras (Congo tetras, black skirt tetras) - fast enough to not get bullied
  • Danios (zebra danios, giant danios) - same high-energy vibe, and they don't sit still long enough to get fin-nipped
  • Rasboras that aren't tiny/fragile (scissortail rasboras are a classic) - active midwater swimmers that hold their own
  • Hardy bottom crew like corydoras - they mostly keep to themselves on the floor and don't trigger the barbs much
  • Bristlenose pleco or other sturdy plecos - they're armored, ignore the barbs, and stick to their own business

Avoid

  • Slow fish with fancy fins (bettas, guppies, fancy mollies) - tiger barbs treat flowing fins like a chew toy
  • Angelfish - those long trailing fins are basically a 'nip me' sign, and stress gets ugly fast
  • Long-finned gouramis (especially slow/flowy ones) - they get harassed and end up hiding or getting shredded
  • Super chill, timid community fish (small tetras like neons/embers) - they can get chased nonstop and stop eating

Where they come from

Tiger barbs (Sumatra barbs) come from Southeast Asia—think Borneo and Sumatra—where they’re found in warm, plant-y, tannin-stained streams and slow rivers. That “tea-colored” water vibe is pretty common in their natural spots, with lots of roots, leaf litter, and cover.

You don’t have to recreate a jungle creek perfectly, but knowing they’re built for busy, cluttered water helps explain why they love cover and why they act like little orange-and-black missiles all day.

Setting up their tank

Give them room to school and zoom. A 20-gallon long can work for a small group, but you’ll have a much easier time (and calmer fish) in a 30–40 gallon. They’re active and they use the whole tank.

  • Tank size: 20 long minimum for a group; 30–40 gal is the “this is easy now” zone
  • Group size: 8–12 is where the nipping usually drops off a cliff
  • Filter: any decent filter is fine, but they appreciate some flow and high oxygen
  • Heater: yes—steady warm water keeps them less cranky
  • Décor: plants (real or fake), driftwood, and rock piles to break up sightlines
  • Open swimming lane: leave the front/middle open so they can cruise

My best Tiger Barb tanks always had “visual speed bumps”—clumps of plants or wood that stop them from constantly chasing the same fish across the whole tank.

Water parameters aren’t something to stress over with these guys. Aim for stable: mid-70s to low-80s °F (24–28°C), neutral-ish pH, and clean water. They handle a range, but they don’t handle dirty water and big swings.

They’re curious fin-biters, and they’re fast. A lid is a good idea, and long-finned tankmates are basically an invitation.

What to feed them

Tiger barbs eat like they’re getting paid by the bite. They’re not picky, but you’ll get better color and less “hangry” behavior if you feed a mix instead of only flakes.

  • Staple: quality flake or small pellets
  • Frozen: bloodworms, brine shrimp, daphnia (great for keeping them in condition)
  • Live (optional): baby brine shrimp, grindal worms, mosquito larvae where legal/safe
  • Veggie bits: spirulina flakes, blanched zucchini/peas, or algae-based foods now and then

Small meals 1–2x a day beats one big dump. If they’re constantly hunting each other, try adding a tiny afternoon snack—seriously, it can take the edge off.

Behavior and tankmates

They’re classic “busy” fish: lots of chasing, pecking order stuff, and nonstop movement. In a proper group, most of that energy stays inside the school. In a too-small group, they start shopping for fins to nip.

  • Good tankmates: other quick, confident fish (danios, rasboras, many tetras), hardy barbs, rainbowfish
  • Bottom buddies: corydoras, loaches, bristlenose pleco (generally ignored)
  • Avoid: bettas, angelfish, guppies, fancy gouramis, long-finned anything, slow “zen” fish

If you really want Tiger barbs but also love slower fish, consider a Tiger Barb-only tank. They’re honestly fantastic as a species tank—tons of personality, zero drama with other species because there aren’t any.

Breeding tips (if you want to try it)

Breeding tiger barbs is doable at home, and it’s pretty fun because they’re enthusiastic spawners. The trick is keeping the adults from eating the eggs—because they absolutely will.

  • Use a separate breeding tank (10–20 gal) with a sponge filter
  • Add marbles, a spawning grid, or a thick layer of java moss so eggs fall out of reach
  • Condition adults with frozen/live foods for a week or two
  • Put a pair or small group in the breeding tank; spawning often happens in the morning
  • Remove adults right after you see spawning/egg scatter
  • Eggs hatch in about 1–2 days; start fry on infusoria/liquid fry food, then baby brine shrimp

If you’re not getting spawns, try a small cool-water change (like a “rain” event) and feed heavy the day before. That combo has kicked it off for me more than once.

Common problems to watch for

Most tiger barb issues are really “setup” issues: too few barbs, too small a tank, or tankmates that can’t handle their energy. Fix those and they’re pretty forgiving beginner fish.

  • Fin nipping: almost always from small groups or mixed with slow/long-finned fish
  • Stress/faded color: bare tank, no cover, or being kept in a tiny group
  • Ich/white spot: common after new fish or temperature swings—quarantine helps a ton
  • Bloat/constipation: from overfeeding rich foods; add fiber (daphnia/veg) and cut back
  • Ammonia/nitrite spikes: they’re messy eaters—stay on top of maintenance and don’t overstock

Don’t trust “they’re fine in a trio.” Three tiger barbs is basically a bully simulator. Go bigger on the group and the whole tank gets calmer.

Similar Species

Other freshwater semi-aggressive species you might be interested in.

AI-generated illustration of American flagfish
Freshwater
AI Generated
Photo

American flagfish

Jordanella floridae

Jordanella floridae is that little Florida native with the red-and-cream striping that really does look like a tiny flag once a male colors up. They graze algae like champs (especially stringy/hair algae), but they have a bit of attitude - give them plants and space so the bossy behavior stays manageable. Bonus: the male guards the eggs and will actively fan them, which is pretty fun to watch.

Small Semi-aggressive Intermediate
Min. 20 gal
AI-generated illustration of Banded Leporinus
Freshwater
AI Generated
Photo

Banded Leporinus

Leporinus fasciatus

Banded Leporinus are those torpedo-shaped, black-and-yellow striped fish that look like they're wearing a little prison outfit-and they stay on the move. They've got a ton of personality and they're awesome to watch cruising and picking at stuff, but they're also the kind of fish that will redecorate your tank and "taste test" anything soft-looking.

Large Semi-aggressive Intermediate
Min. 75 gal
AI-generated illustration of Bandi cichlid
Freshwater
AI Generated
Photo

Bandi cichlid

Wallaceochromis signatus

A West African dwarf cichlid from Guinea's Bandi River, this fish shows crisp vertical bars and spotted fins with red highlights. Females have a bold black spot at the base of the tail, and pairs guard eggs and fry in caves, which makes their parental behavior fun to watch.

Small Semi-aggressive Intermediate
Min. 30 gal
AI-generated illustration of Betta
Freshwater
AI Generated
Photo

Betta

Betta splendens

Betta fish, also known as Siamese fighting fish, are popular for their striking colors and flowing fins. They are known for their territorial nature, especially males, which can display aggressive behavior towards each other.

Small Semi-aggressive Beginner
Min. 5 gal
AI-generated illustration of Blackhawk catfish
Freshwater
AI Generated
Photo

Blackhawk catfish

Wallagonia micropogon

Wallagonia micropogon is a giant Southeast Asian sheatfish with an eel-like body and a huge, scoop-like mouth for hunting other fish. It is native to the Mekong and middle Chao Phraya basins and was long confused with Wallagonia leerii, which makes IDs and care notes tricky. Stunning as a juvenile but it grows to true megafish size, so it is only realistic for expert keepers or public aquariums.

Large Semi-aggressive Expert
Min. 300 gal
AI-generated illustration of Boulenger's Featherfin Tetra
Freshwater
AI Generated
Photo

Boulenger's Featherfin Tetra

Bryconaethiops boulengeri

A big, fast African tetra from the Congo River basin, it cruises the mid-to-upper water in active groups and flashes a bold broken stripe along its flanks. In the wild it hunts insects at the surface and can leap, so aquariums need tight lids. Keep it with robust tankmates it cannot swallow.

Large Semi-aggressive Intermediate
Min. 75 gal

More to Explore

Discover more freshwater species.

AI-generated illustration of Amapa tetra
Freshwater
AI Generated
Photo

Amapa tetra

Hyphessobrycon amapaensis

This is a tiny, super sleek little tetra with a clean red stripe down the side that really pops once its settled in. It does best in a planted, slightly tinted "creek-style" setup and looks way cooler when you keep a proper group so they school and flash that line together. If you can give it soft, slightly acidic water and a calm community, its an easy fish to fall for.

Nano Peaceful Intermediate
Min. 20 gal
AI-generated illustration of Armoured stickleback
Freshwater
AI Generated
Photo

Armoured stickleback

Indostomus paradoxus

This is that goofy little "freshwater seahorse"-looking fish that just kind of perches and scoots around like a tiny armored twig. Its whole vibe is slow, sneaky micropredator - once its settled in, you will catch it stalking microfoods and doing these subtle little posture displays. The big trick is feeding: they do best when you can provide lots of small live foods in a calm, planted tank.

Nano Peaceful Advanced
Min. 10 gal
AI-generated illustration of Arrowhead puffer
Freshwater
AI Generated
Photo

Arrowhead puffer

Pao suvattii

Pao suvattii is that sneaky Mekong puffer that likes to sit low and ambush food, and it has that super recognizable arrow/V pattern on its back. Gorgeous fish with tons of personality, but it is absolutely not a community guy - plan on a solo, species-only setup if you want everybody to stay in one piece.

Small Aggressive Advanced
Min. 30 gal
AI-generated illustration of Bishop toothcarp
Freshwater
AI Generated
Photo

Bishop toothcarp

Brachyrhaphis episcopi

This is a tiny Panamanian livebearer that does best when you treat it more like a shy wild fish than a fancy guppy-lots of cover, calm vibes, and really clean water. The fun part is watching the males posture and spar while the females cruise around dropping fully-formed fry about once a month.

Small Peaceful Intermediate
Min. 15 gal
AI-generated illustration of Black morpho tetra
Freshwater
AI Generated
Photo

Black morpho tetra

Poecilocharax weitzmani

Poecilocharax weitzmani is one of those tiny blackwater oddballs that acts more like a little darter than a typical tetra - it hangs low, darts between cover, and the males can get pretty showy with fin-flares. The really cool part is they are cave breeders with male brood care, which is not what most people expect from a small characin. Give them very soft, acidic, super-clean water and lots of leaf litter and hidey holes, and they settle in and start showing their best colors.

Small Peaceful Advanced
Min. 20 gal
AI-generated illustration of Black Neon Tetra
Freshwater
AI Generated
Photo

Black Neon Tetra

Hyphessobrycon herbertaxelrodi

Black neons are one of those little tetras that look kinda understated until the light hits them-then that bright stripe pops and they shimmer when the school turns together. They're super chill, always cruising mid-water, and they make a tank feel "alive" without being hectic. If you keep a nice group, they get bolder and you'll see way more of their personality.

Small Peaceful Beginner
Min. 20 gal

Looking for other species?