Rosy Danio (Danio roseus) is a small, active freshwater fish with a beautiful pinkish or reddish hue on the body and fins. Known for its hardy nature and peaceful temperament, it is ideal for community aquariums and beginner aquarists.
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Rosy Danio (Danio roseus) is a small, active freshwater fish with a beautiful pinkish or reddish hue on the body and fins. Known for its hardy nature and peaceful temperament, it is ideal for community aquariums and beginner aquarists.
Slender, torpedo-shaped body with a pink to reddish hue and subtle horizontal lines along the body. Fins are mostly transparent with a slight reddish tint. Males are slimmer and more brightly 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. Occasionally supplement with finely chopped or blanched vegetables for color enhancement.
Rosy Danios are a perfect choice for community aquariums, providing peaceful schooling behavior and a vibrant pink hue. They are active swimmers, hardy, and visually appealing for any freshwater setup.
Beginner – hardy, easy to care for, and adaptable to a wide range of water conditions.
15+ gallons (for a small school)
6.5 to 7.5
5–12 dGH
68–78°F (20–26°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 roseus
Cyprinidae
Southeast Asia – Myanmar and Thailand; streams and rivers with moderate flow.
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. Occasionally supplement with finely chopped vegetables to maintain coloration and 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: 68–78°F (20–26°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, avoid overcrowding, and keep proper school sizes.
Peaceful, social, and active. 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 Myanmar and Thailand, Rosy Danios inhabit streams and rivers with moderate water flow. Adults grow up to 2 inches. They thrive in planted aquariums or tanks with open swimming areas. Suitable for beginner to intermediate aquarists due to their hardiness, peaceful behavior, and attractive rosy coloration.