Channidaefreshwater fishintermediate

Channa stewartii

Channa stewartii

Also known as: Channa stewartii, Stewart's Snakehead, Blue Snakehead

Origin: South Asia

C

Water Parameters

Temperature2026 °C
15 °C35 °C
pH6.57.5
49
GH (Hardness)212 °dGH
0 °dGH30 °dGH
KH (Alkalinity)06 °dKH
0 °dKH20 °dKH

Quick Stats

Max Size
30 cm
Min Tank
150 L
Lifespan
8-12
Swimming Level
top-middle
Schooling
No
Diet
carnivore
Temperament
aggressive toward similar species; highly territorial as a breeding pair

About

Channa stewartii inhabits cool, fast-flowing rivers and streams of the Brahmaputra basin in Northeast India and Bhutan. It is a labyrinth fish capable of breathing atmospheric air and is a dedicated parent that guards its offspring aggressively. Its relatively small adult size compared to most snakeheads, combined with its extraordinary colouration, has made it increasingly popular among specialist hobbyists.

Care Guide

Water: 20-26°C, pH 6.5-7.5, soft to moderately hard; cooler than tropical species. Tank: Minimum 150L, heavily planted or with dense driftwood, floating plants, gapless lid essential. Feeding: Carnivore; live insects, crickets, earthworms, prawns, frozen bloodworm, raw fish flesh. Behaviour: Aggressive toward similar-shaped fish; a dedicated pair forms a strong bond. Compatibility: Best kept as a pair in a species tank; possible with very robust, fast-moving fish.

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