Betta channoides

Red males with a mostly red dorsal fin.

Displaying males are scarlet. The dorsal is mostly red with a thin white edge; the tail’s dark band stops short of the top.

Adult length: Up to 4 cm (standard length, without the tail fin)
Water temperature: 23–30 °C
pH: 4–6.5
Hardness: 1–5 dGH

Natural habitat: Found in shallow forest streams with brown, acidic water, among leaf litter and marginal roots.

Suits 23–30°C, pH 4.0–6.5, 1–5 dGH; low carbonate hardness and stable conditions.

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Appearance and identification

Males have broader heads; females and stressed males may show subdued patterns. Prevent jumping with a secure cover while preserving air and surface access.

Social behaviour and territory

Pairs or small groups need shelter and quiet; males mouthbrood.

Compatibility limits

Needs soft acidic water; avoid intimidating or vigorous feeders.

Space requirements

45 × 30 cm for a pair or small group.

Aquarium environment

Use shade-tolerant plants, floating cover and wood for shelter; keep dim light, gentle flow and surface access.

Diet and feeding

Offer small live/frozen foods and accepted dry foods without overfeeding.

Sources