Pearl Danio

Danio albolineatus

Pearl Danio is a peaceful middle-to-top swimmer. Keep in a loose group of 8+.

PeacefulMiddle to top swimmerKeep in a loose group of 8+Beginner

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

Need help with Pearl Danio?

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

Quick facts

Adult size: ≤ 2.2" (≤ 5.5 cm)
Aquarium size: 21 US gal (81 L) or larger / ≥ 35.4" (≥ 90 cm) minimum length
Care level: Beginner
Temperament: Peaceful
Swimming zone: Middle to top swimmer
Temperature: 61–77°F (16–25°C)
pH: 6–8
GH: 1–20 dGH
Diet: Omnivore
Lifespan: up to 5 years
Group behavior: Keep in a loose group of 8+

Care requirements

Care level: Beginner.

Lifespan: up to 5 years.

Aquarium size and space needs

Minimum aquarium size: 21 US gal (81 L) or larger / ≥ 35.4" (≥ 90 cm) minimum length. Plan the layout and stocking within that limit.

Water parameters

Suitable water: temperature 16–25 °C, pH 6–8, GH 1–20 dGH.

Temperament and compatibility

Pearl 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.

Before adding this fish

Plan for an aquarium of 21 US gal (81 L) or larger / ≥ 35.4" (≥ 90 cm) minimum length.
Make room for its social group.
Avoid aggressive or highly competitive fish.
Keep in a loose group of 8+.
Offer a varied diet suited to this species’ documented feeding habits.

Natural habitat and origin

Origin: Myanmar, Indonesia, Laos, Cambodia, Vietnam, Malaysia, Thailand.

Important notes

Trade specimens may be hybridized with Danio roseus or differ geographically; verify adult form before assigning species-specific values.

Similar fish profiles

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

Black Barred Danio Danio absconditus Same genus Same family Similar care level Beginner – Intermediate ≤ 2" (≤ 5.2 cm) 63–79°F (17–26°C) 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 Ruby Barb Pethia nigrofasciata Same family Similar care level Same temperament Beginner ≤ 2.2" (≤ 5.5 cm) 68–81°F (20–27°C) African Banded Barb Enteromius fasciolatus Same family Similar care level Same temperament Beginner – Intermediate ≤ 2.4" (≤ 6 cm) 68–79°F (20–26°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)

FAQ

How large does Pearl Danio get?

Pearl Danio reaches ≤ 2.2" (≤ 5.5 cm).

What aquarium size does Pearl Danio need?

Use an aquarium of at least 21 US gal (81 L) or larger / ≥ 35.4" (≥ 90 cm) minimum length.

Is Pearl Danio peaceful?

Yes. Pearl 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 Pearl Danio?

Keep it between 16 to 25 °C.

Should Pearl Danio be kept alone or in a group?

Pearl Danio: Keep in a loose group of 8+.