Longfin Leopard Danio

Longfin Leopard Danio (Danio rerio var.)

The Longfin Leopard Danio is a graceful and energetic freshwater schooling fish, admired for its flowing finnage, striking leopard-like spotting, and active swimming behavior. A selectively bred variety of the popular Zebra Danio, this beautiful fish combines the hardiness and peaceful nature of the original species with an elegant longfin appearance that makes it a standout addition to planted and community aquariums. Its shimmering body pattern and constant activity bring movement and character to freshwater setups.

Longfin Leopard Danios are peaceful, social fish that thrive when kept in groups, where they display natural schooling behaviors and feel more confident. They spend much of their time swimming throughout the upper and middle levels of the aquarium, darting playfully among plants and open water areas. Males often display brighter coloration and slimmer bodies, while females tend to have fuller bodies and a slightly rounded appearance. Their energetic yet peaceful nature makes them excellent companions for a wide variety of community fish.

These hardy danios thrive in well-planted aquariums with open swimming areas, gentle to moderate water flow, and plenty of vegetation for cover. Floating plants, driftwood, rocks, and dense planting help create a natural environment while providing security and enhancing their coloration. Longfin Leopard Danios are adaptable to a wide range of water conditions, making them suitable for beginner and experienced aquarists alike. A varied diet of quality flakes, micro pellets, frozen foods such as daphnia and baby brine shrimp, and occasional live foods will help maintain their health, activity, and vibrant appearance.

Quick Facts:

• Care Level: Easy
• Temperament: Peaceful
• Adult Size: 2–2.5 inches (5–6 cm)
• Minimum Tank Size: 10 gallons
• Temperature: 64–78°F (18–26°C)
• pH: 6.5–7.5
• Diet: Omnivore
• Schooling: Yes, best kept in groups of 6 or more

With their elegant long fins, distinctive leopard-like markings, and lively schooling behavior, Longfin Leopard Danios are an exceptional choice for aquarists seeking a hardy and attractive community fish that adds movement, personality, and natural beauty to a freshwater aquarium.