Assam Danio

Devario assamensis

Assam 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

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

Need help with Assam Danio?

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

Quick facts

Adult size
≤ 3.5" (≤ 9 cm)
Aquarium size
64 US gal (243 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length
Care level
Beginner – Intermediate
Temperament
Peaceful
Swimming zone
Middle to top swimmer
Temperature
59–72°F (15–22°C)
pH
6–8
GH
2–12 dGH
Diet
Omnivore
Lifespan
up to 8 years
Group behavior
Keep in a school of at least 8

Care requirements

Care level: Beginner – Intermediate.

Lifespan: up to 8 years.

Aquarium size and space needs

Minimum aquarium size: 64 US gal (243 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length. Plan the layout and stocking within that limit.

Water parameters

Suitable water: temperature 15–22 °C, pH 6–8, GH 2–12 dGH.

Temperament and compatibility

Assam 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, Assam Danio should receive a varied diet rather than one repeated food type.

Before adding this fish

  • Plan for an aquarium of 64 US gal (243 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: India.

Important notes

  • Cool-water schooling fish; sustained tropical temperatures can be unsuitable.
  • Provide secure cover and room for a lively school.

Similar fish profiles

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

FAQ

How large does Assam Danio get?

Assam Danio reaches ≤ 3.5" (≤ 9 cm).

What aquarium size does Assam Danio need?

Use an aquarium of at least 64 US gal (243 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length.

Is Assam Danio peaceful?

Yes. Assam 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 Assam Danio?

Keep it between 15 to 22 °C.

Should Assam Danio be kept alone or in a group?

Assam Danio: Keep in a school of at least 8.

Scroll to Top

Report an Issue

Only this report and the page location are sent. Please leave out passwords and other sensitive information.