Exclamation Point Rasbora

Boraras urophthalmoides

Also known as: Least Rasbora

One of the smallest aquarium fish, with an orange stripe and a dark mark shaped like an exclamation point.

Water

Freshwater

Temperature

72–82°F

pH

5–7

Hardness

1–8 dGH

Max size

0.6 in

Min tank

5 gal

Temperament

Peaceful

Social

Schooling (8+)

Swim level

Middle

Diet

Omnivore

Care level

Intermediate

Lifespan

3-5 years

Breeding

Egg-scatterer

Suitability

Intermediate

Origin

Thailand, Cambodia and Vietnam

Best in a mature, heavily planted nano tank with soft, slightly acidic water and minimal flow. Keep 8 or more and avoid any tankmates big enough to eat them. Offer very small foods several times a day.