Exclamation Point Rasbora

Exclamation Point Rasbora

Boraras urophthalmoides

Also known as: Least Rasbora

💧 Freshwater ✌️ Peaceful 🟡 Moderate 🍽️ Omnivore Schooling (8+)

Named for the exclamation-point-like marking on its tail — a dark spot with a line above it. Tiny but charming.

Tank Size

5 gal
minimum (10+ preferred)

Temperature

73–82°F
23–28°C

pH Range

5–7
water acidity

Max Size

0.7"
1.8 cm

Lifespan

3–5 years
typical in captivity

Swim Level

Middle
preferred zone

Care Notes

Nano fish that prefers soft water. Keep with very small, peaceful tank mates only.

Feeding

Micro foods, baby brine shrimp, and crushed flakes.

Compatible Tank Mates

Neon Tetra 1.5" Cardinal Tetra 2" Rummy Nose Tetra 2" Ember Tetra 0.8" Glowlight Tetra 1.5" Harlequin Rasbora 2" Chili Rasbora 0.7" Celestial Pearl Danio 1" 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" Congo Tetra 3.5" Diamond Tetra 2.5" Buenos Aires Tetra 3" Scissortail Rasbora 3.5" Penguin Tetra 2.5" Silvertip Tetra 2" Red Eye Tetra 2.5" Colombian Tetra 2.5" Silver Hatchetfish 2.5" Pearl Danio 2.5"

Incompatible With

White Cloud Mountain Minnow 1.5" Giant Danio 4" Angelfish 6" Oscar 14" Discus 8" Firemouth Cichlid 6" Jack Dempsey 10" Convict Cichlid 5" Green Terror 8" Severum 8" Blood Parrot Cichlid 8" Electric Blue Acara 6"

Check Compatibility

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