Photo: Photo by Derek Ramsey (Ram-Man) (CC BY-SA 2.5) — via Wikimedia Commons
Tiger Barb (Puntigrus tetrazona)
A flashy, fast, endlessly energetic shoaler — and the aquarium's most infamous fin-nipper if you keep too few.
Will it live with a Tiger Barb?
We compare each fish against your tiger barb on temperament, size, water parameters and swimming zone. Set your tank size and filter the results.
- Adolf's Cory✅ CompatiblePeaceful · 5.5 cm · Medium care · 22–26 °C (72–79 °F)
- Semi-aggressive + Peaceful, but with no direct clash here; temperature, pH and hardness ranges all overlap and neither outsizes the other enough to be a threat.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Keep Adolf's Cory in a shoal of 6+ or it gets stressed and nippy.
- Agassiz's Corydoras✅ CompatiblePeaceful · 6 cm · Easy care · 22–28 °C (72–82 °F)
- Semi-aggressive + Peaceful, but with no direct clash here; temperature, pH and hardness ranges all overlap and neither outsizes the other enough to be a threat.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Keep Agassiz's Corydoras in a shoal of 6+ or it gets stressed and nippy.
- Black Kuhli Loach✅ CompatiblePeaceful · 8 cm · Easy care · 23–28 °C (73–82 °F)
- Semi-aggressive + Peaceful, but with no direct clash here; temperature, pH and hardness ranges all overlap and neither outsizes the other enough to be a threat.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Blood Red Tiger Pleco✅ CompatiblePeaceful · 6 cm · Medium care · 24–29 °C (75–84 °F)
- Semi-aggressive + Peaceful, but with no direct clash here; temperature, pH and hardness ranges all overlap and neither outsizes the other enough to be a threat.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Bolivian Ram✅ CompatiblePeaceful · 8 cm · Medium care · 24–28 °C (75–82 °F)
- Semi-aggressive + Peaceful, but with no direct clash here; temperature, pH and hardness ranges all overlap and neither outsizes the other enough to be a threat.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Butterfly Hillstream Loach✅ CompatiblePeaceful · 6 cm · Hard care · 18–24 °C (64–75 °F)
- Compatible on the things that matter: shared water near 22–24 °C, workable temperaments, and no predator-and-prey size gap.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Corydoras Catfish✅ CompatiblePeaceful · 6.5 cm · Easy care · 22–26 °C (72–79 °F)
- Compatible on the things that matter: shared water near 22–26 °C, workable temperaments, and no predator-and-prey size gap.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Keep Corydoras Catfish in a shoal of 6+ or it gets stressed and nippy.
- Duplicareus Corydoras✅ CompatiblePeaceful · 5.5 cm · Medium care · 23–27 °C (73–81 °F)
- Compatible on the things that matter: shared water near 23–27 °C, workable temperaments, and no predator-and-prey size gap.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Keep Duplicareus Corydoras in a shoal of 6+ or it gets stressed and nippy.
- Dwarf Chain Loach✅ CompatiblePeaceful · 6 cm · Medium care · 24–29 °C (75–84 °F)
- Semi-aggressive + Peaceful, but with no direct clash here, and their water overlaps around 24–28 °C — no size, zone or temperament conflicts.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Keep Dwarf Chain Loach in a shoal of 6+ or it gets stressed and nippy.
- Elegant Cory✅ CompatiblePeaceful · 6 cm · Easy care · 22–28 °C (72–82 °F)
- Semi-aggressive + Peaceful, but with no direct clash here; temperature, pH and hardness ranges all overlap and neither outsizes the other enough to be a threat.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Keep Elegant Cory in a shoal of 6+ or it gets stressed and nippy.
- False Julii Corydoras✅ CompatiblePeaceful · 6 cm · Easy care · 22–26 °C (72–79 °F)
- Semi-aggressive + Peaceful, but with no direct clash here; temperature, pH and hardness ranges all overlap and neither outsizes the other enough to be a threat.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Keep False Julii Corydoras in a shoal of 6+ or it gets stressed and nippy.
- German Blue Ram✅ CompatiblePeaceful · 6 cm · Hard care · 27–30 °C (81–86 °F)
- Semi-aggressive + Peaceful, but with no direct clash here; temperature, pH and hardness ranges all overlap and neither outsizes the other enough to be a threat.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Glass Catfish✅ CompatiblePeaceful · 8 cm · Medium care · 23–28 °C (73–82 °F)
- Compatible on the things that matter: shared water near 23–28 °C, workable temperaments, and no predator-and-prey size gap.
- Both favour the middle of the tank — offer enough cover so they aren't always in each other's space.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Keep Glass Catfish in a shoal of 6+ or it gets stressed and nippy.
- Gold Barb✅ CompatiblePeaceful · 7.5 cm · Easy care · 18–26 °C (64–79 °F)
- Compatible on the things that matter: shared water near 22–26 °C, workable temperaments, and no predator-and-prey size gap.
- Both favour the middle of the tank — offer enough cover so they aren't always in each other's space.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Keep Gold Barb in a shoal of 6+ or it gets stressed and nippy.
- Hillstream Loach✅ CompatiblePeaceful · 6 cm · Hard care · 20–24 °C (68–75 °F)
- Compatible on the things that matter: shared water near 22–24 °C, workable temperaments, and no predator-and-prey size gap.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Narcissus II Cory✅ CompatiblePeaceful · 5.5 cm · Medium care · 22–26 °C (72–79 °F)
- Compatible on the things that matter: shared water near 22–26 °C, workable temperaments, and no predator-and-prey size gap.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Keep Narcissus II Cory in a shoal of 6+ or it gets stressed and nippy.
- Panda Loach✅ CompatiblePeaceful · 6 cm · Hard care · 18–23 °C (64–73 °F)
- Semi-aggressive + Peaceful, but with no direct clash here; temperature, pH and hardness ranges all overlap and neither outsizes the other enough to be a threat.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Peppered Corydoras✅ CompatiblePeaceful · 7 cm · Easy care · 18–26 °C (64–79 °F)
- Semi-aggressive + Peaceful, but with no direct clash here; temperature, pH and hardness ranges all overlap and neither outsizes the other enough to be a threat.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Keep Peppered Corydoras in a shoal of 6+ or it gets stressed and nippy.
- Scissortail Rasbora✅ CompatiblePeaceful · 8 cm · Easy care · 22–27 °C (72–81 °F)
- Compatible on the things that matter: shared water near 22–27 °C, workable temperaments, and no predator-and-prey size gap.
- Both favour the middle of the tank — offer enough cover so they aren't always in each other's space.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Keep Scissortail Rasbora in a shoal of 6+ or it gets stressed and nippy.
- Slate Corydoras✅ CompatiblePeaceful · 6 cm · Medium care · 23–28 °C (73–82 °F)
- Semi-aggressive + Peaceful, but with no direct clash here, and their water overlaps around 23–28 °C — no size, zone or temperament conflicts.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Keep Slate Corydoras in a shoal of 6+ or it gets stressed and nippy.
- Splashing Tetra✅ CompatiblePeaceful · 8 cm · Medium care · 22–28 °C (72–82 °F)
- Semi-aggressive + Peaceful, but with no direct clash here; temperature, pH and hardness ranges all overlap and neither outsizes the other enough to be a threat.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Keep Splashing Tetra in a shoal of 6+ or it gets stressed and nippy.
- Spotfin Corydoras✅ CompatiblePeaceful · 6.5 cm · Easy care · 22–26 °C (72–79 °F)
- Compatible on the things that matter: shared water near 22–26 °C, workable temperaments, and no predator-and-prey size gap.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Keep Spotfin Corydoras in a shoal of 6+ or it gets stressed and nippy.
- Spotted Corydoras✅ CompatiblePeaceful · 7 cm · Easy care · 22–27 °C (72–81 °F)
- Semi-aggressive + Peaceful, but with no direct clash here; temperature, pH and hardness ranges all overlap and neither outsizes the other enough to be a threat.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Keep Spotted Corydoras in a shoal of 6+ or it gets stressed and nippy.
- Sterbai Corydoras✅ CompatiblePeaceful · 6.5 cm · Medium care · 24–30 °C (75–86 °F)
- Semi-aggressive + Peaceful, but with no direct clash here; temperature, pH and hardness ranges all overlap and neither outsizes the other enough to be a threat.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Keep Sterbai Corydoras in a shoal of 6+ or it gets stressed and nippy.
- Ash Lipped Apisto⚠️ With cautionSemi-aggressive · 7 cm · Hard care · 24–29 °C (75–84 °F)
- Tiger Barb and Ash Lipped Apisto can both be territorial; doable with space and dense planting, but watch for chasing.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Banded Dwarf Cichlid⚠️ With cautionSemi-aggressive · 7 cm · Medium care · 24–30 °C (75–86 °F)
- Tiger Barb and Banded Dwarf Cichlid can both be territorial; doable with space and dense planting, but watch for chasing.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Bleeding Heart Tetra⚠️ With cautionSemi-aggressive · 7 cm · Medium care · 23–28 °C (73–82 °F)
- Tiger Barb and Bleeding Heart Tetra can both be territorial; doable with space and dense planting, but watch for chasing.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Keep Bleeding Heart Tetra in a shoal of 6+ or it gets stressed and nippy.
- Bright Diamond Tetra⚠️ With cautionPeaceful · 7 cm · Hard care · 24–28 °C (75–82 °F)
- Expect Tiger Barb to harass Bright Diamond Tetra at times; give dense cover and watch them at feeding.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Keep Bright Diamond Tetra in a shoal of 8+ or it gets stressed and nippy.
- Buenos Aires Tetra⚠️ With cautionSemi-aggressive · 7 cm · Easy care · 18–26 °C (64–79 °F)
- Tiger Barb and Buenos Aires Tetra can both be territorial; doable with space and dense planting, but watch for chasing.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Keep Buenos Aires Tetra in a shoal of 6+ or it gets stressed and nippy.
- Celebes Rainbowfish⚠️ With cautionPeaceful · 7 cm · Medium care · 22–28 °C (72–82 °F)
- Tiger Barb and Celebes Rainbowfish are close in size, but the semi-aggressive one tends to dominate — add celebes rainbowfish in a group to spread the pressure.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Keep Celebes Rainbowfish in a shoal of 6+ or it gets stressed and nippy.
- Costa's Tetra⚠️ With cautionPeaceful · 7 cm · Easy care · 22–28 °C (72–82 °F)
- Tiger Barb and Costa's Tetra are close in size, but the semi-aggressive one tends to dominate — add costa's tetra in a group to spread the pressure.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Keep Costa's Tetra in a shoal of 6+ or it gets stressed and nippy.
- Croaking Gourami⚠️ With cautionPeaceful · 7 cm · Easy care · 24–28 °C (75–82 °F)
- Tiger Barb is semi-aggressive and may chase or nip the smaller Croaking Gourami — plant heavily and break up sight lines.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Hongsloi Dwarf Cichlid⚠️ With cautionSemi-aggressive · 7 cm · Medium care · 24–29 °C (75–84 °F)
- Both are a bit pushy (semi-aggressive + semi-aggressive) — workable only in a larger tank with cover and broken sight lines.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Melon Barb⚠️ With cautionPeaceful · 7 cm · Easy care · 22–28 °C (72–82 °F)
- Tiger Barb is semi-aggressive and may chase or nip the smaller Melon Barb — plant heavily and break up sight lines.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Keep Melon Barb in a shoal of 8+ or it gets stressed and nippy.
- Peacock Gudgeon⚠️ With cautionPeaceful · 7 cm · Medium care · 22–28 °C (72–82 °F)
- Tiger Barb is semi-aggressive and may chase or nip the smaller Peacock Gudgeon — plant heavily and break up sight lines.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Rio Negro Checkerboard Cichlid⚠️ With cautionPeaceful · 7 cm · Hard care · 24–29 °C (75–84 °F)
- Water hardness preferences differ (Tiger Barb 5–19 vs Rio Negro Checkerboard Cichlid 0–4 dGH).
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Rounded Filament Barb⚠️ With cautionPeaceful · 7 cm · Medium care · 22–27 °C (72–81 °F)
- Tiger Barb and Rounded Filament Barb are close in size, but the semi-aggressive one tends to dominate — add rounded filament barb in a group to spread the pressure.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Keep Rounded Filament Barb in a shoal of 6+ or it gets stressed and nippy.
- Roundtail Paradise Fish⚠️ With cautionSemi-aggressive · 7 cm · Easy care · 10–26 °C (50–79 °F)
- Both are a bit pushy (semi-aggressive + semi-aggressive) — workable only in a larger tank with cover and broken sight lines.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Sumo Loach⚠️ With cautionSemi-aggressive · 7 cm · Medium care · 22–26 °C (72–79 °F)
- Tiger Barb and Sumo Loach can both be territorial; doable with space and dense planting, but watch for chasing.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Umbrella Dwarf Cichlid⚠️ With cautionSemi-aggressive · 7 cm · Medium care · 20–26 °C (68–79 °F)
- Tiger Barb and Umbrella Dwarf Cichlid can both be territorial; doable with space and dense planting, but watch for chasing.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Alligator Gar⛔ Not recommendedAggressive · 250 cm · Hard care · 24–28 °C (75–82 °F)
- Two assertive fish, one genuinely aggressive: Tiger Barb and Alligator Gar will hold territory and clash.
- Alligator Gar (250 cm) is big enough to swallow the 7 cm Tiger Barb whole.
- Alligator Gar is slow and long-finned; a busy tiger barb shoal tends to nip at it. Keep tiger barb in a proper group of 6+ and watch them closely.
- Your 95 L tank is below the ~3785 L this pairing really wants — crowding raises aggression.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Clown Knifefish⛔ Not recommendedAggressive · 90 cm · Hard care · 24–28 °C (75–82 °F)
- Tiger Barb and Clown Knifefish are both territorial and at least one is outright aggressive — expect serious fighting.
- Clown Knifefish (90 cm) is big enough to swallow the 7 cm Tiger Barb whole.
- Your 95 L tank is below the ~750 L this pairing really wants — crowding raises aggression.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Fire Eel⛔ Not recommendedSemi-aggressive · 100 cm · Medium care · 24–28 °C (75–82 °F)
- Tiger Barb is bite-sized to a 100 cm predatory fire eel — it will be eaten.
- Both are a bit pushy (semi-aggressive + semi-aggressive) — workable only in a larger tank with cover and broken sight lines.
- Your 95 L tank is below the ~380 L this pairing really wants — crowding raises aggression.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Koi⛔ Not recommendedPeaceful · 90 cm · Medium care · 4–28 °C (39–82 °F)
- Tiger Barb is bite-sized to a 90 cm koi — it will be eaten.
- Tiger Barb is a notorious fin-nipper — even though Koi is larger, an active shoal will harass its trailing fins. Only safe in a full group of 6+ with plenty of cover.
- Your 95 L tank is below the ~3800 L this pairing really wants — crowding raises aggression.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Redtail Catfish⛔ Not recommendedAggressive · 120 cm · Hard care · 24–27 °C (75–81 °F)
- Two assertive fish, one genuinely aggressive: Tiger Barb and Redtail Catfish will hold territory and clash.
- Redtail Catfish (120 cm) is big enough to swallow the 7 cm Tiger Barb whole.
- Your 95 L tank is below the ~5700 L this pairing really wants — crowding raises aggression.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Spotted Gar⛔ Not recommendedAggressive · 90 cm · Hard care · 18–26 °C (64–79 °F)
- Two assertive fish, one genuinely aggressive: Tiger Barb and Spotted Gar will hold territory and clash.
- Tiger Barb is bite-sized to a 90 cm predatory spotted gar — it will be eaten.
- Spotted Gar is slow and long-finned; a busy tiger barb shoal tends to nip at it. Keep tiger barb in a proper group of 6+ and watch them closely.
- Your 95 L tank is below the ~600 L this pairing really wants — crowding raises aggression.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Wels Catfish⛔ Not recommendedAggressive · 300 cm · Hard care · 15–25 °C (59–77 °F)
- Two assertive fish, one genuinely aggressive: Tiger Barb and Wels Catfish will hold territory and clash.
- Size gap is too large (300 vs 7 cm): Wels Catfish will treat Tiger Barb as food.
- Your 95 L tank is below the ~20000 L this pairing really wants — crowding raises aggression.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
- Wolf Cichlid⛔ Not recommendedAggressive · 72 cm · Hard care · 24–30 °C (75–86 °F)
- Tiger Barb and Wolf Cichlid are both territorial and at least one is outright aggressive — expect serious fighting.
- Wolf Cichlid (72 cm) is big enough to swallow the 7 cm Tiger Barb whole.
- Tiger Barb is a notorious fin-nipper — even though Wolf Cichlid is larger, an active shoal will harass its trailing fins. Only safe in a full group of 6+ with plenty of cover.
- Your 95 L tank is below the ~760 L this pairing really wants — crowding raises aggression.
- Keep Tiger Barb in a shoal of 6+ or it gets stressed and nippy.
Compatibility is computed from each species' care data — a strong starting point, not a guarantee. Individual temperament varies, so always introduce new fish slowly and watch them.
Tiger Barb care specs
- Care level
- Easy
- Breeding
- Medium
- Max size
- 7 cm (2.8 in)
- Min tank size
- 95 L (25.1 gal)
- Temperature
- 22–28 °C (72–82 °F)
- pH
- 6–7.5
- Hardness
- 5–19 dGH
- Lifespan
- 5–7 years
- Diet
- Omnivore
- Swim level
- Middle
- Group size
- 6+ (shoaling)
- Family
- Cyprinidae
- Origin
- Southeast Asia — Sumatra and Borneo
What is a Tiger Barb?
The tiger barb (Puntigrus tetrazona) is a striking, high-energy shoaling fish native to the river systems of Sumatra and Borneo. Reaching up to 7 cm (2.75 in), it earns its name from the four bold black vertical bars crossing a vivid gold-orange body — a pattern instantly recognisable in any fish store. Aquarium-bred colour variants include a deep green form, an albino, and the brightly coloured GloFish strain, but the wild-type pattern remains the most popular.
For all its beauty, the tiger barb carries a well-earned reputation as the community tank’s most enthusiastic fin-nipper. That reputation is almost entirely a product of poor stocking: in the right group, this fish is an active, entertaining, easy-care species that suits many freshwater setups. In the wrong group, it is a menace. Get the group size right and nearly everything else falls into place.
Where do Tiger Barbs come from?
Tiger barbs originate from Sumatra and Borneo in Southeast Asia, where they inhabit clear, moderately fast-flowing streams, rivers and swampy lowland areas. These waters are typically warm, soft to moderately hard, and slightly acidic — shaded by dense forest canopy with plenty of submerged vegetation and leaf litter.
The vast majority of tiger barbs sold today are commercially bred in Southeast Asia and Eastern Europe rather than wild-caught, which means they are broadly adaptable to a range of water conditions. Even so, understanding their natural habitat helps explain their preference for clean, well-oxygenated water with some current, and their instinct to move constantly in a tight group.
What size tank does a Tiger Barb need?
The minimum practical tank size is 95 litres (25 gallons), and bigger is better. Tiger barbs are active, middle-column swimmers that cover the full length of a tank at pace. A short or narrow tank frustrates them and amplifies aggression.
Prioritise horizontal swimming space over tank height. A footprint of 90 cm (36 in) or longer suits a small shoal well. Equip the tank with a filter that produces moderate flow — tiger barbs appreciate oxygenated, moving water — and maintain open swimming lanes in the centre while planting the sides and back with dense vegetation. Rocks and driftwood provide structure and help break lines of sight, which reduces chasing between fish.
What water parameters do Tiger Barbs need?
Tiger barbs are forgiving of a reasonably wide range, which contributes to their “easy” care rating:
- Temperature: 22–28 °C (72–82 °F). They tolerate the cooler end better than many tropicals, but a stable heater is still advisable for consistent health.
- pH: 6.0–7.5, soft to neutral.
- Hardness: 5–19 dGH — a wide range that accommodates most tap water once dechlorinated.
As with all fish, stability is more important than hitting an exact number. Cycle the tank fully before adding tiger barbs, keep up with weekly partial water changes of 20–30%, and avoid sudden swings in temperature or chemistry. Their resilience does not mean they are immune to poor water management — nitrite or ammonia spikes will stress and sicken them like any other fish.
What do Tiger Barbs eat?
Tiger barbs are omnivores with a hearty, unselective appetite. In the wild they graze on algae, plant matter, small invertebrates and insect larvae. In the aquarium they readily accept almost everything offered:
- Staple: A quality sinking or floating omnivore pellet or flake forms the daily base.
- Protein top-ups: Frozen or live bloodworms, brine shrimp and daphnia encourage natural foraging behaviour and improve condition.
- Vegetable matter: Blanched spinach or spirulina-based foods round out their diet.
Feed small amounts two or three times a day, only as much as the fish consume in two to three minutes. Remove uneaten food promptly. Tiger barbs are enthusiastic eaters and will overindulge if given the chance, fouling the water and leading to digestive issues.
Are Tiger Barbs aggressive — and what fish can live with them?
Tiger barbs are semi-aggressive, and their primary expression of that is fin-nipping. They are a hierarchical shoaling species that establish and constantly re-establish a pecking order within the group. In a shoal of six or more, that energy stays mostly internal — the fish nip and chase each other, and the behaviour evens out. Drop the group below six and surplus aggression spills onto tank-mates.
Avoid entirely: bettas, angelfish, guppies, gouramis, and any slow-moving or long-finned fish. Tiger barbs will strip those fins quickly and cause serious stress injuries.
Compatible companions tend to be fast-moving, similarly robust fish that can hold their own: most danios, other active barb species, corydoras (which occupy the bottom and generally get left alone), larger tetras like black skirts, and clown loaches. Avoid invertebrates in the main tank — shrimp are likely to become snacks.
For a full filterable list of what works — and what doesn’t — see Tiger Barb tank mates.
How do you tell male and female Tiger Barbs apart?
Tiger barbs show clear sexual dimorphism once they reach maturity, typically at around 6–8 weeks of age:
- Males are slightly smaller and slimmer overall, with more intense colouration — brighter orange flanks and, most distinctively, a vivid red-tipped snout. Their dorsal fin often shows a red or orange leading edge.
- Females are noticeably rounder through the belly, especially when carrying eggs, and generally have paler, less saturated colouration. The nose tip is absent or much reduced in the red flush.
In a healthy, well-fed group these differences are easy to spot. When selecting fish for a shoal, a mixed-sex group is fine; there is no need to separate sexes outside of a dedicated breeding setup.
How do Tiger Barbs breed?
Tiger barbs are egg scatterers and will spawn in a well-conditioned community tank without much prompting, though raising fry to maturity requires a separate breeding setup.
Conditioning: Feed the breeding pair or group heavily on live and frozen foods for one to two weeks prior to spawning.
Breeding tank: A shallow (20–40 L / 5–10 gal) bare-bottom tank with a mesh or marble substrate, or a thick bed of fine-leaved plants like java moss, allows eggs to fall out of the adults’ reach. Tiger barbs will eat their own eggs immediately if given access to them.
Spawning: A female may release several hundred eggs in a single spawning event, scattered and fertilised by one or more males chasing her. Remove the adults once spawning is complete. Eggs hatch in approximately 24–48 hours at 26–28 °C (79–82 °F); fry become free-swimming two to three days later and can be fed infusoria or commercial fry foods, graduating to baby brine shrimp as they grow.
We rate breeding medium difficulty — the spawning itself is straightforward, but raising large numbers of tiny fry demands attention and separate facilities.
What are common Tiger Barb diseases?
Tiger barbs kept in clean, stable water are generally hardy. The diseases most likely to appear are:
- Ich (white spot): Small white cysts across the body and fins, caused by the parasite Ichthyophthirius multifiliis. Usually introduced via new fish or plants; raise temperature gradually and maintain excellent water quality at first sign.
- Fin rot: Ragged, receding fin edges caused by bacterial infection — almost always a secondary result of poor water quality or injury from fin-nipping. Fix the underlying cause (water or aggression) alongside any treatment.
- Hole-in-the-head / HITH: Pitting on the head and lateral line, associated with poor diet or activated-carbon overuse. Improve nutrition and review tank maintenance.
- Wasting / internal parasites: A fish that eats well but loses weight steadily may have an internal parasite load, common in wild-caught or farm-raised fish.
Prevention is overwhelmingly more effective than treatment. Quarantine all new fish for two to four weeks before adding them to the main tank, maintain a consistent water-change schedule, and keep the group size at six or more to minimise fin damage from nipping.
Health note: disease diagnosis and medication dosing are beyond the scope of a care profile. Confirm symptoms against a reputable veterinary or fish-health resource before medicating, and always follow product instructions for dosage and tank volume.
How long do Tiger Barbs live?
A well-kept tiger barb lives 5–7 years. That is a longer commitment than many fishkeepers expect from a small, inexpensive fish, but it is achievable with consistent care: a properly sized and heated tank, a shoal of six or more, compatible tank-mates, a varied diet and regular water changes. Get those fundamentals right and the tiger barb’s bold colours, restless energy and group dynamics will reward you for the better part of a decade.
Frequently asked questions
Why are tiger barbs fin-nippers?
They have a strong pecking order. Kept in a proper shoal of six or more they direct that energy at each other; kept in twos and threes they turn on slow, long-finned tank-mates like bettas, angelfish and guppies.
Can tiger barbs live with bettas or angelfish?
No. Tiger barbs will nip a betta's or angelfish's flowing fins to ribbons. Keep them with other fast, similarly robust fish instead.
What you need to keep a tiger barb
The baseline is a heated, filtered 95 L+ tank: a reliable heater to hold 22–28 °C (72–82 °F), a gentle filter that won't batter a tiger barb in the current, and a tight-fitting lid. Cycle the tank fully before adding any fish.
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