Longfin Zebra Danio (Danio rerio)
The Longfin Zebra Danio (Danio rerio) is a beautiful variation of the classic Zebra Danio, featuring elegant flowing fins paired with the iconic blue and silver horizontal striping that has made Zebra Danios one of the most popular freshwater fish in the world.
Known for their active swimming behavior, hardiness, and peaceful temperament, Longfin Zebra Danios are excellent fish for beginners, planted aquariums, and community tanks. Their constant movement and schooling behavior bring life and activity to the upper levels of the aquarium.
These adaptable fish tolerate a wide range of water conditions and are often recommended as one of the best freshwater fish for new hobbyists.
Quick Facts
- Scientific Name: Danio rerio
- Common Name: Longfin Zebra Danio
- Adult Size: 2–2.5 inches
- Temperament: Peaceful
- Care Level: Easy
- Diet: Omnivore
- Lifespan: 3–5 years
- Minimum Tank Size: 20 gallons
- Water Temperature: 64–78°F
- pH Range: 6.5–7.5
- Water Hardness: Moderate
- Swimming Level: Top to Midwater
- Schooling Fish: Yes
Why Choose Longfin Zebra Danios?
✔ Classic blue and silver zebra striping
✔ Elegant long flowing fins
✔ Extremely hardy and adaptable
✔ Perfect beginner fish
✔ Active schooling behavior
✔ Great for community aquariums and planted tanks
Aquarium Setup
Longfin Zebra Danios thrive in aquariums with open swimming space and plenty of room for schooling. They enjoy planted aquariums but should always have unobstructed areas where they can swim freely.
A secure lid is highly recommended because Danios are excellent jumpers.
Recommended setup:
- 20 gallons or larger
- Open swimming areas
- Live plants
- Moderate water flow
- Stable water conditions
- School of 6 or more fish
Diet & Feeding
Longfin Zebra Danios are omnivores and readily accept:
- Quality tropical flakes
- Micro pellets
- Frozen bloodworms
- Brine shrimp
- Daphnia
- Live foods
- Community fish foods
A varied diet promotes healthy growth and vibrant coloration.
Tank Mates
Longfin Zebra Danios do well with:
- Other Danios
- Tetras
- Rasboras
- Corydoras
- Cherry Barbs
- Platies
- Endlers
- Swordtails
- Peaceful Gouramis
Avoid slow-moving fish that may become stressed by their energetic activity.
Schooling Behavior
Longfin Zebra Danios are social fish that should always be kept in groups.
Recommended group sizes:
- Minimum: 6 fish
- Ideal: 8–12+ fish
Larger schools encourage natural behavior and reduce stress.
Frequently Asked Questions
Are Longfin Zebra Danios beginner friendly?
Yes. They are among the hardiest and easiest freshwater fish to care for, making them ideal for beginners.
Do Longfin Zebra Danios need to be kept in groups?
Yes. They are schooling fish and should be kept in groups of at least six individuals.
Are Longfin Zebra Danios aggressive?
No. They are peaceful community fish, although their active swimming can sometimes overwhelm very shy species.
Do Longfin Zebra Danios jump?
Yes. A secure lid is recommended because they may jump when startled.
Can Longfin Zebra Danios live in planted aquariums?
Absolutely. They thrive in planted aquariums that also provide plenty of open swimming space.
Available at Tropical Treasures Wyo
Shop healthy Longfin Zebra Danios at Tropical Treasures Wyo in Cheyenne, Wyoming. These hardy freshwater schooling fish are perfect for beginner aquariums, planted tanks, and peaceful community setups.
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