Emerald Dwarf Danio

Danio erythromicron

Emerald Dwarf Danio is a peaceful bottom-to-middle swimmer.

PeacefulBottom to middle swimmerBeginner – Intermediate

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Need help with Emerald Dwarf Danio?

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

Quick facts

Adult size: ≤ 0.8" (≤ 2 cm)
Aquarium size: 14 US gal (54 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
Care level: Beginner – Intermediate
Temperament: Peaceful
Swimming zone: Bottom to middle swimmer
Temperature: 68–75°F (20–24°C)
pH: 7–8
GH: 12–20 dGH
KH: 2–10 dKH
Diet: Omnivore
Lifespan: up to 5 years

Care requirements

Care level: Beginner – Intermediate.

Lifespan: up to 5 years.

Aquarium size and space needs

Minimum aquarium size: 14 US gal (54 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length. Plan the layout and stocking within that limit.

Water parameters

Suitable water: temperature 20–24 °C, pH 7–8, GH 12–20 dGH, KH 2–10 dKH.

Temperament and compatibility

Emerald Dwarf Danio is peaceful and suits calm community fish.

Swimming zone and behavior

This fish uses the lower to middle part of the aquarium, so leave enough open substrate area for movement and feeding.

Feeding

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

Before adding this fish

Plan for an aquarium of 14 US gal (54 L) or larger / ≥ 23.6" (≥ 60 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: Myanmar.

Similar fish profiles

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

Blue Danio Danio kerri Same genus Same family Similar care level Beginner – Intermediate ≤ 1.8" (≤ 4.5 cm) 64–77°F (18–25°C) Black Barred Danio Danio absconditus Same genus Same family Similar care level Beginner – Intermediate ≤ 2" (≤ 5.2 cm) 63–79°F (17–26°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) 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 Ink Barb Barbodes bunau Same family Similar care level Same temperament Beginner – Intermediate ≤ 2.4" (≤ 6 cm) 75–82°F (24–28°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)

FAQ

How large does Emerald Dwarf Danio get?

Emerald Dwarf Danio reaches ≤ 0.8" (≤ 2 cm).

What aquarium size does Emerald Dwarf Danio need?

Use an aquarium of at least 14 US gal (54 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length.

Is Emerald Dwarf Danio peaceful?

Yes. Emerald Dwarf 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 Emerald Dwarf Danio?

Keep it between 20 to 24 °C.