<h3>Tank Type</h3><ol><li data-list="bullet"><a href="https://en.wikipedia.org/wiki/Zebrafish" rel="noopener noreferrer" target="_blank">Freshwater</a> tropical tank</li></ol><h3>Zebra Danios Aquarium Size</h3><ol><li data-list="bullet"><a href="https://www.thesprucepets.com/zebra-danio-1378473" rel="noopener noreferrer" target="_blank">10-gallon</a> (≈ 38-liter) tank for a small group. More space is better because they love to swim. </li></ol><h3>Water Conditions</h3><ol><li data-list="bullet">Temperature: Roughly <a href="https://www.thesprucepets.com/zebra-danio-1378473" rel="noopener noreferrer" target="_blank">18-24 °C</a> (≈ 64-77 °F) works well; they tolerate a fairly wide range </li><li data-list="bullet">pH level: <a href="https://www.thesprucepets.com/zebra-danio-1378473" rel="noopener noreferrer" target="_blank">6.5-7.0</a> is good </li><li data-list="bullet">Water hardness: <a href="https://www.thesprucepets.com/zebra-danio-1378473" rel="noopener noreferrer" target="_blank">5 to 12 dGH</a>, Soft to moderate hardness is fine; they’re not extremely picky</li></ol><h3>Zebra Danios Environment Needs</h3><ol><li data-list="bullet">Plenty of horizontal swimming space (they move quickly) and also some plants, <a href="https://www.aquariumsource.com/zebra-danio/" rel="noopener noreferrer" target="_blank">rocks</a>, or decorations to explore and hide. </li><li data-list="bullet">A lid or cover is wise because they are energetic and may jump. </li></ol>

Zebra Danios Habitat Requirements

Care for Zebra Danios is easy if you know what health issues they can get and what tips you can follow to prevent these issues from happening. These are some Zebra Danios health issues, along with tips by which one may understand how to care for the fish.<h3>1. Ich (White Spot Disease)</h3>Ichthyophthirius multifiliis occurs as a common skin <a href="https://www.aquariumsource.com/zebra-danio/" rel="noopener noreferrer" target="_blank">parasite</a>. It causes white spots on the fish's body and fins. It causes fish to scratch themselves against surfaces. It is treated via isolating the fish, slightly increasing the temperature, and adding medication. Good water quality can lower the risk.<h3>2. Stress &amp; Fin Damage (due to bullying or improper tank mate)</h3>Zebra Danios may suffer stress, injury, and fading when housed with incompatible fish or only in an undersized tank. Keeping these fish in groups of <a href="https://www.aquariumsource.com/zebra-danio/" rel="noopener noreferrer" target="_blank">5-6</a> or more inside an appropriately sized tank and away from slow-moving long-finned species can help reduce these occurrences. Observing schooling behavior helps<h3>3. Bacterial infections (e.g., ulcers, fin rot)</h3>Bacteria can also colonize in the event that the water conditions are poor or the fish are overcrowded. If <a href="https://www.aquariumsource.com/zebra-danio/" rel="noopener noreferrer" target="_blank">infection</a> appears, cloudy patches form, and ragged fins exist without any apparent cause. Treatments: alter water to improve filtration by quarantining and treating affected fish with antibiotics.<h3>Zebra Danios General Health Tips</h3><ol><li data-list="bullet">Regularly change water. Change twenty to thirty percent biweekly or weekly. </li><li data-list="bullet">Check for ammonia, nitrite, and nitrate levels to maintain water quality when required.</li><li data-list="bullet">Maintain stable <a href="https://www.aquariumsource.com/zebra-danio/" rel="noopener noreferrer" target="_blank">water parameters</a>. Limit changes to temperature, pH, and hardness.</li><li data-list="bullet">You should observe your zebras every day to make sure they remain active, colorful, and streamlined.</li><li data-list="bullet">Giving space to them and keeping them in groups can reduce stress and exhibit naturalistic behavior.</li><li data-list="bullet">Quarantine new fish prior to adding them to your main tank to prevent disease.</li></ol>

Health

<h3>Diet Type</h3><ol><li data-list="bullet"><a href="https://www.thesprucepets.com/zebra-danio-1378473" rel="noopener noreferrer" target="_blank">Omnivore</a></li></ol><h3>Zebra Danios Suitable Foods</h3><ol><li data-list="bullet">High-quality flakes or small pellets designed for tropical fish</li><li data-list="bullet">Live or frozen foods as a treat:</li><li data-list="bullet" class="ql-indent-1"><a href="https://www.thesprucepets.com/zebra-danio-1378473" rel="noopener noreferrer" target="_blank">Brine shrimp</a></li><li data-list="bullet" class="ql-indent-1">Daphnia</li><li data-list="bullet" class="ql-indent-1">Mosquito larvae</li><li data-list="bullet" class="ql-indent-1">Bloodworms</li><li data-list="bullet">Occasionally, small <a href="https://www.webmd.com/pets/what-to-know-zebra-danio" rel="noopener noreferrer" target="_blank">vegetables</a> (e.g., blanched peas or zucchini) can be offered </li></ol><h3>Feeding Frequency &amp; Tips</h3><ol><li data-list="bullet">Feed once or <a href="https://www.webmd.com/pets/what-to-know-zebra-danio" rel="noopener noreferrer" target="_blank">twice a day</a></li><li data-list="bullet">Provide only as much as they can eat within 2–3 minutes, to avoid leftover food spoiling the tank </li><li data-list="bullet">Vary the diet for the best health</li><li data-list="bullet">Monitor their behavior: if they’re constantly chasing food or looking thin, adjust accordingly</li></ol>

Zebra Danios Nutritional Guide

Friendly

Aggressive

Temperament

Super Friendly

Not Friendly

Compatibility with other fishes

Large

Small

Habitat Size

The Zebra Danio (scientific name - <a href="https://en.wikipedia.org/wiki/Zebrafish" rel="noopener noreferrer" target="_blank">Danio rerio</a>) is a lively, small freshwater fish that is instantly recognizable by its bold horizontal stripes running the length of its body. It is very popular among aquarium hobbyists because it’s colorful, active, and fairly easy to keep. Its unique behavior of schooling and darting gives any tank a fun, energetic feel.<h3>Origin</h3><ol><li data-list="bullet">It comes from <a href="https://en.wikipedia.org/wiki/Zebrafish" rel="noopener noreferrer" target="_blank">South Asia</a> — especially parts of India, Bangladesh, Nepal, and nearby regions. </li><li data-list="bullet">In the wild, they live in small streams, rice paddies, and slow-moving waters where they can swim freely among plants and rocks. </li><li data-list="bullet">Over time, they have become one of the most common aquarium fish thanks to their hardiness and adaptability.</li></ol><h3>Zebra Danios Temperament</h3><ol><li data-list="bullet"><a href="https://www.thesprucepets.com/zebra-danio-1378473" rel="noopener noreferrer" target="_blank">Peaceful</a> and social: They do best in groups and love to swim together (a <a href="https://en.wikipedia.org/wiki/Zebrafish" rel="noopener noreferrer" target="_blank">shoal</a>). </li><li data-list="bullet">Active swimmers: They’ll zip around all levels of the tank – top, middle, and bottom. </li><li data-list="bullet">They can show mild fin-nipping or competitive behavior if kept in too small a group or with much slower, long-finned fish. </li></ol><h3>Compatibility</h3>Zebra Danios Good TankmatesOther small, peaceful fish of similar size and activity level, for example: <ol><li data-list="bullet" class="ql-indent-1"><a href="https://www.aquariumsource.com/zebra-danio/" rel="noopener noreferrer" target="_blank">Honey Gourami</a></li><li data-list="bullet" class="ql-indent-1">Ember Tetra</li><li data-list="bullet" class="ql-indent-1">Corydoras</li><li data-list="bullet" class="ql-indent-1">Celestial Pearl Danio</li><li data-list="bullet" class="ql-indent-1">Emerald Pufferfish</li><li data-list="bullet" class="ql-indent-1">Neon Tetra</li><li data-list="bullet" class="ql-indent-1">Flying Barb </li></ol>Fish to avoid<ol><li data-list="bullet">Very slow fish with long <a href="https://www.fishkeeper.co.uk/fish/freshwater/cyprinids/zebra-danio-" rel="noopener noreferrer" target="_blank">flowing fins</a> (they may get nipped)</li><li data-list="bullet">Very large or aggressive fish (they could stress or eat the danios)</li><li data-list="bullet">If the Zebra Danios are kept in too small a number, they may show stress or misbehavior that affects tankmates</li></ol><h3>Zebra Danios Price in India</h3><ol><li data-list="bullet">In India, one can find Zebra Danios for around ₹ 20-30 each </li></ol>

It’s not ideal — these fish love the company of their own kind (a shoal). A single fish may feel stressed or behave oddly.

Can I keep a single Zebra Danio alone?

At least 5–6 is recommended so they can feel secure and show natural schooling behavior.

How many Zebra Danios should I keep together?

Not always. Because they tolerate cooler temperatures, if your room stays within a comfortable range, you may not need a heater. But if ambient temps drop, a heater helps.

Do they need a heater in their tank?

It could be due to stress, insufficient group size, insufficient space, or incompatible tank mates (especially slow fish). Ensuring they are in a proper group and environment helps.

Why is my Zebra Danio suddenly chasing or nipping other fish?

In a well-kept aquarium, Zebra Danios' lifespan commonly goes around 3–5 years. Some may live longer with excellent care.

How long do Zebra Danios live?

Zebra Danios Fish Guide

Want a fun, hardy fish for your tank? Learn all about Zebra Danios — their behavior, food habits, water needs, and simple steps for keeping them healthy.

Zebra Danio Care Guide: Tank Setup, Diet & Health Tips

The Zebra. Danio is a small freshwater fish known for its distinctive black and white stripes that resembles zebras. They are popular among aquarium enthusiasts of all skill levels due to their active lifestyle and adaptability.

Zebra Danio

Zebra Danios Fish Guide

Characteristics

Zebra Danios Habitat Requirements

Essential Equipment

Zebra Danios Nutritional Guide

Health

Prerequisites for a Fish

Frequently Asked Questions

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