Pearl Danio (Danio albolineatus) is a small, hardy, and peaceful freshwater fish known for its iridescent, pearly body and subtle horizontal stripes. It is an active swimmer and ideal for community aquariums, adding elegance and visual interest.
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Pearl Danio (Danio albolineatus) is a small, hardy, and peaceful freshwater fish known for its iridescent, pearly body and subtle horizontal stripes. It is an active swimmer and ideal for community aquariums, adding elegance and visual interest.
Slender, torpedo-shaped body with a pearly iridescent sheen and subtle horizontal stripes. Fins are mostly transparent with slight orange or red tinges. Males are slightly slimmer and more intensely colored; females are rounder and paler.
3–5 years with proper care
Omnivorous; feeds on high-quality flakes, micro pellets, frozen foods, and live foods such as daphnia, brine shrimp, and microworms. Occasional blanched vegetables like zucchini or spinach can supplement their diet and enhance coloration.
Pearl Danios are excellent for community aquariums, combining peaceful schooling behavior with an attractive iridescent appearance. They are visually striking and active, making them a favorite among hobbyists.
Beginner – hardy, easy to care for, adaptable to a wide range of water conditions.
15+ gallons (for a small school)
6.5 to 7.5
5–12 dGH
70–78°F (21–26°C)
2 inches
Small tetras, Rasboras, other Danios, Corydoras, peaceful barbs. Avoid aggressive or large species.
Large, aggressive, or fin-nipping species that may stress or harm them.
Danio albolineatus
Cyprinidae
Southeast Asia – Myanmar and Thailand; slow-moving streams and rivers with dense vegetation.
Highly social; best kept in schools of 6 or more. Peaceful and compatible with other small community fish.
Feed 2–3 times daily with flakes, micro pellets, frozen/live foods. Supplement occasionally with finely chopped or blanched vegetables to enhance coloration and overall health.
Egg-scatterer; deposits eggs over plants or spawning mops. Adults do not guard eggs. Condition males and females with protein-rich live foods before spawning. Fry feed on infusoria or newly hatched brine shrimp.
pH: 6.5–7.5, Temperature: 70–78°F (21–26°C), Hardness: 5–12 dGH, Ammonia/Nitrite: 0 ppm, Nitrate: <20 ppm
Prone to stress, ich, and bacterial infections if water quality is poor. Maintain clean water, proper school sizes, and avoid aggressive tankmates.
Peaceful, active, and social. Best kept in schools of 6 or more to encourage natural schooling behavior. Compatible with most small, non-aggressive community fish. Energetic swimmers that enjoy open spaces.
Native to Southeast Asia, primarily Myanmar and Thailand, Pearl Danios inhabit slow-moving streams and rivers with dense vegetation. Adults grow up to 2 inches. They thrive in planted aquariums with moderate water flow and open swimming areas. Suitable for beginner and intermediate aquarists due to their hardiness, peaceful behavior, and pearly sheen.