Green Tiger Barb

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Green Tiger Barb (Pethia Tetrazona)

Native Location: South East Asia

Climate: Freshwater

Size: 7.5cm (3 inches)

Temperament: Semi-aggressive

Diet: Omnivore

Breeding: Beginner

Temperature Range: 23 – 26 ℃ (74 – 79℉)

Preferred pH Range: 6.0 – 7.0

Minimum Aquarium Size: 113L (30 gallons)

Potential Tankmates: Platys, Clown Loaches, Mollies

Care Level: Easy


A great beginner fish with the ability to colour morph, Green Tiger Barbs' are fun additions to your community aquarium.


A Green Tigers diet should be varied with a combination of flake, froze and live foods. Try bloodworms and brine shrimp. Green Tigers will need feeding once or twice a day. If feeding once a day, provide them with the fish food they can consume within five minutes, avoiding leftover food. Green Tigers can be semi-aggressive; these tendencies shine through in smaller or non-existent shoals. As fin-nippers, avoid housing them with slower, long-finned fish like Angelfish, Bettas and Gouramis. As a singular fish, they will attack other fish. In a shoal of six or more, Green Tigers are compatible community fish. Pair them with fast-moving fish who can keep up.


As their wild habitat is shallow streams, Green Tigers will enjoy large rocks and a sandy substrate or gravel in their tank. Providing hiding places using plants or driftwood helps to decrease the risk of aggressive behaviours in Green Tigers. Unlike other Barbs, these fishes will enjoy slightly warmer waters, so you should consider a tank heater.


Mature females will have rounder bellies and a black dorsal fin. Males have red snouts and distinctive red lines above the black markings on their dorsal fins. Set up a separate breeding tank. Each pair should have their own tank with slightly warmer waters. Introduce a protein-rich diet. As egg scatterers, you will need to provide spawning mops. The male will chase the female. When the female is interested, she will release her eggs over the spawning site. Hundreds of eggs should appear near the bottom of the tank. Remove adults once spawning has occurred, or they will eat their eggs and fry.

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