PeekFishDiscover what makes each fish differentFishkeeping guides
EN ▾
AI illustration of Betta miniopinna, complete left-facing side view

Betta miniopinna

Betta miniopinna

A slender black body with a slightly concave upper head profile, bright red pelvic fins with white filamentous tips, and no separate flank spot.

Adult length
Up to 3.5 cm (standard length, without the tail fin)
Water temperature
22–28 °C
pH
4–6
Hardness
1–5 dGH
Natural habitat
Inhabits shaded, acidic swamp-forest waters over leaf litter and soft mud.

From the peat swamps of Bintan, it needs soft, acidic water. A black body alone does not distinguish similar species.

View comparison →

Appearance and identification

It differs clearly from B. persephone, which has darker pelvic fins.

Social behaviour and territory

Small groups may be kept with ample cover; separate a pair for breeding.

Diet and feeding

Try suitably sized dry food, alternating with live or frozen foods such as Daphnia and brine shrimp. Feed small portions and avoid overfeeding.

Sources

www.fishbase.se ↗ 2026-10-25

www.seriouslyfish.com ↗ 2026-10-23

PeekFish · Ornamental fish

Privacy and analytics