Scientific name: Betta splendens
Common names: Hellboy Betta, Hellboy Plakat Betta, Red Hellboy Betta
Family: Osphronemidae
Origin: Southeast Asia (Thailand), selectively bred
Adult size: 5–7.5 cm
Lifespan: 2–4 years
Temperature: 24–30 °C
pH: 6.0–8.0
Hardness: 1–15 dGH
Minimum tank size: 20–45 litres
Temperament: Territorial males, solitary display fish
Care level: Easy to moderate
Diet: Carnivore
Labyrinth fish: Yes — air breather, needs access to the surface
Fish Recommended
Corydoras (small peaceful species such as Sterba's Cory), Kuhli Loach, Otocinclus, Amano Shrimp, Nerite Snails, Ember Tetra, Harlequin Rasbora, Cherry Barb
Fish to Avoid
Other male Bettas, Tiger Barbs, Serpae Tetras, large or aggressive cichlids, large predatory fish, fin-nipping species, fast greedy feeders that will outcompete the Betta at feeding time