Neon Blue Rasbora

Sundadanio axelrodi

Neon Blue Rasbora is a peaceful middle-to-top swimmer. Keep in a school of 15+.

PeacefulMiddle to top swimmerKeep in a school of 15+Intermediate

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

Quick facts

Adult size
≤ 2 cm (≤ 0.8 in)
Aquarium size
40 L or larger / ≥ 50 cm (≥ 19.7 in) minimum length
Care level
Intermediate
Temperament
Peaceful
Swimming zone
Middle to top swimmer
Temperature
22–26 °C
pH
5–7
GH
1–5 dGH
Diet
Omnivore
Lifespan
up to 3 years
Group behavior
Keep in a school of 15+

Care requirements

Care level: Intermediate.

Lifespan: up to 3 years.

Aquarium size and space needs

Minimum aquarium size: 40 L or larger / ≥ 50 cm (≥ 19.7 in) minimum length. Plan the layout and stocking within that limit.

Water parameters

Suitable water: temperature 22–26 °C, pH 5–7, GH 1–5 dGH.

Temperament and compatibility

Neon Blue Rasbora is peaceful and suits calm community fish.

Keep in a school of 15+.

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. Keep in a school of 15+.

Feeding

As an omnivore, Neon Blue Rasbora should receive a varied diet rather than one repeated food type.

Natural habitat and origin

Origin: Indonesia.

Before adding this fish

  • Plan for an aquarium of 40 L or larger / ≥ 50 cm (≥ 19.7 in) minimum length.
  • Make room for its social group.
  • Avoid aggressive or highly competitive fish.
  • Keep in a school of 15+.
  • Offer a varied diet that matches this species.

Similar fish profiles

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

Adonis Tetra Lepidarchus adonis Similar care level Same temperament Same swimming zone Intermediate ≤ 2 cm (≤ 0.8 in) 21–26 °C African Banded Barb Barbus fasciolatus Same family Similar care level Same temperament Beginner – Intermediate ≤ 6 cm (≤ 2.4 in) 21–26 °C Bandula Barb Pethia bandula Same family Similar care level Same temperament Beginner – Intermediate ≤ 4.5 cm (≤ 1.8 in) 20–27 °C Black Ink Barb Barbodes bunau Same family Similar care level Same temperament Beginner – Intermediate ≤ 6 cm (≤ 2.4 in) 24–28 °C Blacknose Butterfly Barb Enteromius candens Same family Similar care level Same temperament Intermediate ≤ 3 cm (≤ 1.2 in) 24–26 °C Blue Tetra Tyttocharax cochui Similar care level Same temperament Same swimming zone Beginner – Intermediate ≤ 2 cm (≤ 0.8 in) 23–26 °C

FAQ

How large does Neon Blue Rasbora get?

Neon Blue Rasbora reaches ≤ 2 cm (≤ 0.8 in).

What aquarium size does Neon Blue Rasbora need?

Use an aquarium of at least 40 L or larger / ≥ 50 cm (≥ 19.7 in) minimum length.

Is Neon Blue Rasbora peaceful?

Yes. Neon Blue 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 Neon Blue Rasbora?

Keep it between 22 to 26 °C.

Should Neon Blue Rasbora be kept alone or in a group?

Neon Blue Rasbora: Keep in a school of 15+.

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