Blue Moon Danio

Devario xyrops

Blue Moon Danio is a peaceful middle-to-top swimmer. Keep in a school of at least 8.

PeacefulMiddle to top swimmerKeep in a school of at least 8Beginner – Intermediate

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

Quick facts

Adult size: ≤ 3.1" (≤ 8 cm)
Aquarium size: 66 US gal (250 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length
Care level: Beginner – Intermediate
Temperament: Peaceful
Swimming zone: Middle to top swimmer
Temperature: 64–79°F (18–26°C)
pH: 6–8
GH: 2–15 dGH
Diet: Omnivore
Lifespan: up to 5 years
Group behavior: Keep in a school of at least 8

Care requirements

Care level: Beginner – Intermediate.

Lifespan: up to 5 years.

Aquarium size and space needs

Minimum aquarium size: 66 US gal (250 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length. Plan the layout and stocking within that limit.

Water parameters

Suitable water: temperature 18–26 °C, pH 6–8, GH 2–15 dGH.

Temperament and compatibility

Blue Moon Danio 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

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

Feed small animal-based foods and balanced prepared diets dispersed across the water column; do not combine with slow timid feeders.

Before adding this fish

Plan for an aquarium of 66 US gal (250 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length.
Make room for its social group.
Avoid aggressive or highly competitive fish.
Keep in a school of at least 8.
Offer a varied diet suited to this species’ documented feeding habits.

Natural habitat and origin

Origin: Myanmar.

Similar fish profiles

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

Bengal Danio Devario devario Same genus Same family Similar care level Beginner – Intermediate ≤ 3.1" (≤ 8 cm) 59–79°F (15–26°C) Barred Danio Devario pathirana Same genus Same family Similar care level Beginner – Intermediate ≤ 3.1" (≤ 8 cm) 73–79°F (23–26°C) Assam Danio Devario assamensis Same genus Same family Similar care level Beginner – Intermediate ≤ 3.5" (≤ 9 cm) 59–72°F (15–22°C) Blood Tailed Danio Devario annandalei Same genus Same family Similar care level Beginner – Intermediate ≤ 3.9" (≤ 10 cm) 70–79°F (21–26°C) Arulius Barb Dawkinsia tambraparniei Same family Similar care level Same temperament Intermediate ≤ 5.1" (≤ 13 cm) 64–77°F (18–25°C) African Moon Tetra Bathyaethiops caudomaculatus Similar care level Same temperament Same swimming zone Beginner – Intermediate ≤ 3.1" (≤ 8 cm) 75–77°F (24–25°C)

FAQ

How large does Blue Moon Danio get?

Blue Moon Danio reaches ≤ 3.1" (≤ 8 cm).

What aquarium size does Blue Moon Danio need?

Use an aquarium of at least 66 US gal (250 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length.

Is Blue Moon Danio peaceful?

Yes. Blue Moon Danio 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 Blue Moon Danio?

Keep it between 18 to 26 °C.

Should Blue Moon Danio be kept alone or in a group?

Blue Moon Danio: Keep in a school of at least 8.