🐠 Fish Species Base

Leopard Danio

Also known as: Danio frankei

The Leopard Danio (Danio frankei) is a small, energetic cyprinid native to Myanmar, distinguished by its striking leopard-like spotted pattern along the lateral line. The Leopard Danio originates from Myanmar (Burma), specifically in the Ayeyarwady River basin and surrounding tributaries, reaches Adult size: 5-6 cm in captivity, typically lives 3-5 years, and is kept at 22-26°C (72-79°F). Individual fish vary, so treat this as a general guide rather than a guarantee.

Species at a glance

Origin
Myanmar (Burma), specifically in the Ayeyarwady River basin and surrounding tributaries
Adult size
Adult size: 5-6 cm (2-2.4 inches)
Life span
3-5 years
Temperament
Peaceful, active, and schooling; best kept in groups of 6 or more
Tank size
Minimum 40 liters (10.5 gallons) for a small group; 60+ liters (16+ gallons) recommended for optimal schooling behavior
Water temp
22-26°C (72-79°F)
pH range
6.0-8.0
Diet
Omnivorous; accepts high-quality flakes, micro pellets, and small live or frozen foods such as brine shrimp, daphnia, and bloodworms
Other names
Danio frankei

About the Leopard Danio

The Leopard Danio (Danio frankei) is a small, energetic cyprinid native to Myanmar, distinguished by its striking leopard-like spotted pattern along the lateral line. It is a hardy and adaptable species, making it ideal for beginner aquarists. Leopard Danios are constantly active swimmers, preferring the middle and upper water columns, and exhibit natural schooling behavior when kept in adequate numbers. Their vibrant appearance and lively demeanor make them a popular choice for community tanks.

Lifespan and health

With proper care, Leopard Danios typically live 3-5 years, though exceptional individuals may reach up to 6 years in pristine conditions; longevity is strongly influenced by diet quality, water stability, and low stress levels from adequate schooling and tankmate compatibility. Common health issues include ich (white spot disease) if water temperatures drop below 20°C or fluctuate rapidly, fin nipping from aggressive tankmates leading to secondary infections, and digestive problems from overfeeding or low-quality food—prevent these by maintaining stable temperatures, avoiding fin-nippers like tiger barbs, and providing a varied diet with occasional fasting days.

Overview

The Leopard Danio (Danio frankei) is a small, energetic cyprinid native to Myanmar, distinguished by its striking leopard-like spotted pattern along the lateral line. It is a hardy and adaptable species, making it ideal for beginner aquarists. Leopard Danios are constantly active swimmers, preferring the middle and upper water columns, and exhibit natural schooling behavior when kept in adequate numbers. Their vibrant appearance and lively demeanor make them a popular choice for community tanks.

Care and tank setup

Tank setup should include a well-planted aquarium with open swimming spaces; use fine gravel or sand substrate and incorporate driftwood or rocks for shelter, ensuring at least 70% of the tank remains unobstructed for swimming. Maintain water parameters within the recommended range with a gentle filtration system providing moderate flow—avoid strong currents that may stress these active swimmers; perform 25% water changes weekly to keep nitrate levels below 20 ppm. Feed small amounts 2-3 times daily, offering only what they can consume within 2-3 minutes to prevent overfeeding and water quality degradation.

Adding a Leopard Danio? Research the species’ adult size and temperament carefully, quarantine new fish before introducing them to your tank, and buy from reputable aquarium stores or breeders.

Related breeds

Breed information on this page is based on the Wikipedia article on the Leopard Danio, supplemented with additional research. Reviewed for accuracy.