Halfmoon Betta

Betta splendens

AnabantoidsIntermediate

Species Details

Prized for their perfectly symmetrical tail that spreads 180 degrees when fully flared, forming a perfect half-moon shape.

Intermediate Care Level

Basic Information

Size6 cm (2.5 inches)
TemperamentTerritorial/Aggressive to other bettas
DietCarnivorous
Lifespan2-4 years
Tank Size19+ litres (5+ gallons)

Water Parameters

Temperature
26-28°C (78-82°F)
pH Level
6.5-7.5
Hardness
2-15 dGH

Tank Mate Recommendations

Based on 1 selected species

Current Selection:

Halfmoon Betta
Fully Compatible Species
Compatible

Pleco Catfish

Various Hypostomus, Pterygoplichthys species

Catfish
Size:15-45 cm (6-18 inches)
Care Level:Intermediate
Temperament:Peaceful but territorial
100%
Compatible

Suckermouth Catfish

Various smaller Ancistrus, Otocinclus species

Catfish
Size:3-15 cm (1-6 inches)
Care Level:Beginner
Temperament:Peaceful
100%
Compatible

Freshwater Invertebrates

Various shrimp, snail, and crab species

Invertebrates
Size:0.5-10 cm (0.2-4 inches)
Care Level:Beginner
Temperament:Peaceful
100%
Compatible

Freshwater Plants

Various aquatic plant species

Plants
Size:2-50+ cm (1-20+ inches)
Care Level:Beginner
Temperament:Beneficial
100%

💡 Tank Mate Tips

• Consider adult size when planning tank space

• Research specific water parameter requirements

• Introduce new fish gradually to reduce stress

• Monitor behavior closely during the first weeks

Quick Facts

Tail spreads to 180 degrees forming perfect half-circle

Males are highly territorial and fight with each other

Can breathe air from surface with labyrinth organ

Prefer warm water 26-30°C (78-82°F)

Bubble nest builders

Carnivorous with preference for live/frozen foods

Live 2-4 years typically

Requires very gentle filtration due to large fins

Males must be kept alone or with careful tankmates

Very interactive and recognises owners

Compatibility Summary

Compatible Species4
Requires Caution6

Care Requirements

Tank Size19+ litres (5+ gallons)
Temperature26-28°C (78-82°F)
pH6.5-7.5
Hardness2-15 dGH