Betta coccina

A small dark-red bubble-nesting betta.

A small dark-red bubble-nesting betta. Males have an iridescent green flank spot that females lack. The pelvic fins are red with long, slender black tips.

Adult length: Up to 4 cm (standard length, without the tail fin)
Water temperature: 22–30 °C
Lifespan: 3–4 years
pH: 4–6
Hardness: 1–5 dGH

Natural habitat: Inhabits peat swamp forest and connected streams, usually with dark, shaded water over leaves, branches and roots.

Needs acidic water with low hardness and gentle flow; it is unsuitable for an ordinary community tank.

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Appearance and identification

Males have an iridescent green flank spot that females lack. The pelvic fins are red with long, slender black tips.

Social behaviour and territory

Prefer a single pair with retreats. Multiple pairs or one male with several females do not always work, with persistent aggression reported.

Diet and feeding

Try suitably sized dry food and alternate live or frozen foods such as Daphnia and brine shrimp. Feed small amounts and avoid overfeeding.

Sources