Emerald Dwarf Danio

Danio erythromicron

Emerald Dwarf Danio is a peaceful bottom-to-middle swimmer. Keep in a school of 10+.

PeacefulBottom to middle swimmerKeep in a school of 10+Beginner – Intermediate

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

Quick facts

Adult size
≤ 1.6" (≤ 4 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
68–77°F (20–25°C)
pH
7.2–8.2
GH
10–25 dGH
KH
2–10 dKH
Diet
Omnivore
Lifespan
up to 5 years
Group behavior
Keep in a school of 10+

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 20–25 °C, pH 7.2–8.2, GH 10–25 dGH, KH 2–10 dKH.

Temperament and compatibility

Emerald Dwarf Danio is peaceful and suits calm community fish.

Keep in a school of 10+.

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. Keep in a school of 10+.

Feeding

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

Make sure food reaches the substrate before faster fish take it.

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.
  • Keep in a school of 10+.
  • Offer a varied diet suitable for an omnivorous bottom-dwelling fish.

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) 72–77°F (22–25°C) Black Barred Danio Danio absconditus Same genus Same family Similar care level Beginner – Intermediate ≤ 3.1" (≤ 8 cm) 63–79°F (17–26°C) Bandula Barb Pethia bandula Same family Similar care level Same temperament Beginner – Intermediate ≤ 1.8" (≤ 4.5 cm) 68–81°F (20–27°C) Black Ruby Barb Pethia nigrofasciata Same family Similar care level Same temperament Beginner ≤ 2" (≤ 5 cm) 72–82°F (22–28°C) Blue Purple Emperor Tetra Inpaichthys kerri Similar care level Same temperament Same swimming zone Beginner ≤ 1.6" (≤ 4 cm) 72–79°F (22–26°C) African Banded Barb Barbus fasciolatus Same family Similar care level Same temperament Beginner – Intermediate ≤ 2.4" (≤ 6 cm) 70–79°F (21–26°C)

FAQ

How large does Emerald Dwarf Danio get?

Emerald Dwarf Danio reaches ≤ 1.6" (≤ 4 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 25 °C.

Should Emerald Dwarf Danio be kept alone or in a group?

Emerald Dwarf Danio: Keep in a school of 10+.

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