Labyrinth air-breathers with personality
Bettas & gouramis
Bettas and gouramis are labyrinth fish — they gulp air at the surface — which is exactly why the "bowl" myth clings to them. They still need a heated, filtered, cycled tank, and many have real temperament quirks worth knowing before you buy.
8 species on Finfern · 8 with a full care guide.
💧 Get the water right: Tropical and warm-water: a stable heater and a gentle filter matter more than tank size alone. Care model: Nano / betta tank
- Betta Betta splendens The jewel-toned solo star of the hobby — and the fish most often sold into a bowl it can't thrive in.
- Honey Gourami Trichogaster chuna A tiny, peaceful, sunset-coloured gourami — one of the calmest centrepiece fish for a small community.
- Dwarf Gourami Trichogaster lalius A vivid, popular centrepiece gourami — beautiful, but watch for the disease and male-aggression issues.
- Pearl Gourami Trichopodus leerii An elegant, lace-patterned gourami — larger, hardy, and famously graceful in a planted tank.
- Sparkling Gourami Trichopsis pumila A jewel-like nano gourami that literally croaks — a peaceful, personable labyrinth fish for a gentle, well-planted small tank.
- Three-spot Gourami Trichopodus trichopterus The hardiest gourami in the trade — adapts to almost any water; the real catch is temperament, not chemistry.
- Paradise Fish Macropodus opercularis A hardy, subtropical labyrinth fish with old-world charm — cool water, floor space, one male only.
- Croaking Gourami Trichopsis vittata A little labyrinth fish that actually croaks — a shy, peaceful nano gourami with big personality for its size.
Plan a bettas & gouramis tank
Our free tools use these species' real, sourced care data — no guessing:
Stocking calculator → Compatibility checker → Which fish suit your water? →