Exclamation Point Rasbora

Boraras urophthalmoides

Exclamation Point Rasbora is a peaceful middle-to-top swimmer.

PeacefulMiddle to top swimmerBeginner – Intermediate

Save this fish or add it directly to one of your aquariums.

Need help with Exclamation Point Rasbora?

Explore compatibility, care or problems using this guide and your aquarium’s conditions.

Quick facts

Adult size: ≤ 0.6" (≤ 1.6 cm)
Aquarium size: 11 US gal (41 L) or larger / ≥ 17.7" (≥ 45 cm) minimum length
Care level: Beginner – Intermediate
Temperament: Peaceful
Swimming zone: Middle to top swimmer
Temperature: 68–72°F (20–22°C)
pH: 6–7
GH: 1–10 dGH
Diet: Carnivore
Lifespan: up to 5 years

Care requirements

Care level: Beginner – Intermediate.

Lifespan: up to 5 years.

Aquarium size and space needs

Minimum aquarium size: 11 US gal (41 L) or larger / ≥ 17.7" (≥ 45 cm) minimum length. Plan the layout and stocking within that limit.

Water parameters

Suitable water: temperature 20–22 °C, pH 6–7, GH 1–10 dGH.

Temperament and compatibility

Exclamation Point Rasbora is peaceful and suits calm community fish.

Swimming zone and behavior

This fish uses the middle to upper part of the aquarium, so leave enough open swimming space for movement and feeding.

Feeding

Use foods that suit a meatier diet and avoid combining it with fish small enough to be treated as food.

Use fine powdered or micropellet foods and very small live/frozen plankton, delivering food where the shoal can feed.

Before adding this fish

Plan for an aquarium of 11 US gal (41 L) or larger / ≥ 17.7" (≥ 45 cm) minimum length.
Avoid aggressive or highly competitive fish.
Offer a varied diet suited to this species’ documented feeding habits.

Natural habitat and origin

Origin: Thailand, Cambodia, Vietnam.

Similar fish profiles

Use these profiles to compare fish with similar care level, size, temperature range, or swimming behavior.

African Banded Barb Barbus fasciolatus Same family Similar care level Same temperament Beginner – Intermediate ≤ 2.4" (≤ 6 cm) 68–79°F (20–26°C) Bandula Barb Pethia bandula Same family Similar care level Same temperament Beginner – Intermediate ≤ 1.6" (≤ 4.1 cm) 72–79°F (22–26°C) Black Ruby Barb Pethia nigrofasciata Same family Similar care level Same temperament Beginner ≤ 2.2" (≤ 5.5 cm) 68–81°F (20–27°C) Blacknose Butterfly Barb Enteromius candens Same family Similar care level Same temperament Intermediate ≤ 1.4" (≤ 3.5 cm) 63–75°F (17–24°C) Armoured Stickleback Indostomus paradoxus Similar care level Same temperament Bottom dweller Beginner – Intermediate ≤ 1.2" (≤ 3 cm) 72–81°F (22–27°C) Arulius Barb Dawkinsia tambraparniei Same family Similar care level Same temperament Intermediate ≤ 5.1" (≤ 13 cm) 64–77°F (18–25°C)

FAQ

How large does Exclamation Point Rasbora get?

Exclamation Point Rasbora reaches ≤ 0.6" (≤ 1.6 cm).

What aquarium size does Exclamation Point Rasbora need?

Use an aquarium of at least 11 US gal (41 L) or larger / ≥ 17.7" (≥ 45 cm) minimum length.

Is Exclamation Point Rasbora peaceful?

Yes. Exclamation Point Rasbora is recorded as peaceful and is best planned with calm community fish that do not harass it or dominate the feeding area.

What temperature is suitable for Exclamation Point Rasbora?

Keep it between 20 to 22 °C.