Dwarf Snakehead
Channa gachua
The Dwarf Snakehead (Channa gachua) is a peaceful fish that's rewarding to keep. Give it a tank of at least 150 litres (40 US gallons), water held at 64-82°F, and a pH of 6.5-7.5.
Captive lifespan reflects typical experience in a home aquarium, not maximum recorded age; genetics, sourcing, and care vary.
Natural distribution
Asia
- East & Southeast Asia
Regional colours match the stocking calculator's origin map.
Dwarf Snakehead Tank Setup
A tank of at least 150 litres (40 US gallons) works well. Keep the water at 64-82°F with a pH around 6.5-7.5, and set up both cover and open swimming space where they spend most of their time (Mid). They reach about 20 cm as adults, so don't be misled by the small juveniles sold in stores.
What Do Dwarf Snakeheads Eat?
They're not fussy eaters - feed a varied diet, rotating good-quality dry, frozen, and gel foods rather than the same thing every day, and match the food size to their mouths.
Dwarf Snakehead Tank Mates
The Dwarf Snakehead is peaceful, which is the first thing to weigh up when you choose tank mates. At around 20 cm fully grown, it needs tank mates that can hold their own against its size and appetite. Before you buy, run your full stocking list through our stocking calculator. It weighs temperament, adult size, and water needs together, which a single species page can't do on its own.
Are Dwarf Snakeheads Good for Beginners?
Care demand varies by line and setup. Match the care level to how often you actually test and change water.
Dwarf Snakehead - frequently asked questions
What size tank do Dwarf Snakeheads need?
Dwarf Snakeheads need a tank of at least 150 litres (40 US gallons). A bigger tank is always easier to keep stable, and gives them more room to settle in and behave naturally.
What water parameters do Dwarf Snakeheads need?
Keep them at 64-82°F with a pH of 6.5-7.5, steady rather than chased to an exact figure. In a cycled tank, ammonia and nitrite should both read 0 ppm, with nitrate kept low through regular water changes.
What do Dwarf Snakeheads eat?
Dwarf Snakeheads are omnivores and aren't fussy eaters. Feed a varied mix of good-quality dry, frozen, and gel foods, and match the food size to their mouths. Feed small amounts once or twice a day, and remove anything they don't eat.
Are Dwarf Snakeheads good for beginners?
It depends on the setup. Match Dwarf Snakeheads to how often you actually test water and perform maintenance.
Common mistakes with Dwarf Snakeheads
- Underestimating tank size - the minimum footprint is 150 litres (40 US gallons); impulse buying into a smaller tank leads to stress and shortened lifespan.
Building a community? Run the full list through the stocking calculator before you add anything else.
Great tank mates
Chosen from temperament, overlapping temperature/pH bands, plausible minimum tank footprints, and size versus yours in App-aquatic data. Hobby nuance always wins - verify stocking and temperament before purchasing.
Fish to avoid mixing with Dwarf Snakeheads
These well-known species are commonly sold alongside this fish but are not recommended tank mates - verify before purchasing.
- OscarPredator - Oscar will eat or injure smaller tank mates
- AxolotlPredator - Axolotl will eat or injure smaller tank mates
- Betta (Male)Predator - Betta (Male) will eat or injure smaller tank mates
