Peaceful Betta

Peaceful Betta

Betta imbellis

Also known as: Crescent Betta

💧 Freshwater ✌️ Peaceful 🟡 Moderate 🥩 Carnivore

The 'peaceful betta' — much less aggressive than B. splendens. Males can sometimes coexist in heavily planted tanks. Iridescent blue-green crescent on tail.

Tank Size

5 gal
minimum (10+ preferred)

Temperature

75–82°F
24–28°C

pH Range

5.5–7
water acidity

Max Size

2"
5.1 cm

Lifespan

3–5 years
typical in captivity

Swim Level

Top
preferred zone

Care Notes

Less aggressive than domestic bettas but males can still spar. Prefers soft, acidic water with floating plants. Excellent jumper — keep tank covered.

Feeding

Betta pellets, frozen bloodworms, brine shrimp, and daphnia.

Compatible Tank Mates

Neon Tetra 1.5" Cardinal Tetra 2" Rummy Nose Tetra 2" Ember Tetra 0.8" Congo Tetra 3.5" Glowlight Tetra 1.5" Harlequin Rasbora 2" Chili Rasbora 0.7" Zebra Danio 2" Bloodfin Tetra 2" Lemon Tetra 1.5" Black Neon Tetra 1.5"

Use Caution With

Black Skirt Tetra 2.5" Serpae Tetra 1.75" Celestial Pearl Danio 1" Buenos Aires Tetra 3" Silvertip Tetra 2" Colombian Tetra 2.5" Giant Danio 4" Blue Tetra 2.5" Long-Finned Serpae Tetra 1.8" Discus 8" Cockatoo Dwarf Cichlid 3" Firemouth Cichlid 6"

Incompatible With

White Cloud Mountain Minnow 1.5" Angelfish 6" Oscar 14" Jack Dempsey 10" Convict Cichlid 5" Green Terror 8" Texas Cichlid 12" Pike Cichlid 10" Salvini Cichlid 8" Red Devil 12" Jaguar Cichlid 16" Flowerhorn 12"

Check Compatibility

Want to check if Peaceful Betta is compatible with a specific fish? Use our compatibility checker to build your complete tank.