Pearl Danio

Danio albolineatus

Pearl Danio (Danio albolineatus) — Easy care, Peaceful, under Danio & Minnow. Minimum tank in the app: 18.5 US gal min; aim for 61–77°F and pH 6–8. The Pearl Danio is an engaging choice for aquarists seeking a lively, social species that thrives in groups.

Pearl Danio (Danio albolineatus) in a planted freshwater aquarium
Care levelEasy
TemperamentPeaceful
Min tank size18.5 US gal min
pH range6–8
Temperature61–77°F
Max size2.4 in (6.0 cm)
Captive lifespan4–8 years
SchoolingYes · 6+ recommended

Captive lifespan reflects typical experience in a home aquarium, not maximum recorded age; genetics, sourcing, and care vary.

Natural distribution

Asia / Europe (varies)

  • East & Southeast Asia

Regional colours match the stocking calculator’s origin map.

Pearl Danio Tank Setup

Create a spacious tank layout with both open swimming areas and strategically placed plants or decor for cover. A moderate water flow mimics their natural habitat, while a sandy or fine gravel substrate allows for comfortable movement. Aim for bright yet diffuse lighting to highlight their colors without causing stress.

What Do Pearl Danios Eat?

Pearl Danios are omnivorous and exhibit a moderate feeding pace, making them versatile eaters in a community tank. It's essential to distribute food evenly to reduce competition and ensure all fish can feed comfortably.

Pearl Danio Tank Mates

Ideal companions include similarly sized and temperamental species, such as other danios or tetras, which share their active nature and peaceful demeanor. Avoid slow-moving or overly territorial fish, as they may be outcompeted for food or space. Within their own species, maintaining a minimum group of six helps reduce stress and aggression.

Are Pearl Danios Good for Beginners?

In App-aquatic we file this under easy care. That still means a cycled tank, realistic stocking, and parameters that do not swing every weekend. Aquarists often underestimate the importance of maintaining a proper shoal size, which can lead to stress and aggressive tendencies within the group. failure to provide a balanced diet can result in nutritional deficiencies, affecting their health and coloration.

Building a community? Run the full list through the stocking calculator before you add anything else.

Log tests and reminders in App-aquatic—free, same data you see here.