Danio rerio var. Butterfly Fin Orange – 3–3.5 inches

Appearance

This variant of the Zebra Danio features elegant, flowing butterfly-style fins and a brilliant neon orange body, offering a striking display in planted aquariums.

Size

• Adult length: About 3–3.5 inches, with elongated fins that accentuate its appearance.

Behavior & Social Needs

• Active and playful, this danio thrives in schools — ideally 6 or more.

• Peaceful temperament; best kept with similarly sized, non-aggressive tankmates. Their long fins are delicate, so avoid fin-nippers.

Tank Conditions

• Minimum tank size: 20 gallons to allow free swimming.

• Water temperature: Around 72–79°F (22–26°C).

• pH: 6.5–7.5.

• Hardness: Soft to moderately hard.

• Provide ample open space with gentle flow, along with plants and driftwood for contrast.

Diet

• Omnivorous—accepts flakes, micro-pellets, and live or frozen foods (e.g., brine shrimp or daphnia), which help bring out their vibrant orange coloration.

Lifespan

• Typically 3–5 years under proper care.