Clown Killifish

Clown Killifish key facts

Care level

Intermediate

Lifespan

2-3 years

Size

3-4cm

Temperature

22〜26℃

Diet

Frozen food, Pellets

Water

Slightly acidic to neutral (pH 6.0-7.0)

Water Temperature & Quality

Maintain 22-26°C. A still-water surface dweller, it prefers gentle or no current.

Container & Tank

Can be kept in small tanks from a 20 cm cube, and suits nano and bottle aquariums. Floating plants at the surface make it feel secure.

Diet & Feeding

Being small, it does best on fine foods such as frozen brine shrimp and daphnia.

Breeding & Egg-laying

Very easy to breed; spawns on floating-plant roots and fine plants. The fry are tiny, so start them on infusoria or powdered food.

Notes

Swims near surface, use lid to prevent jumping

About Clown Killifish

The Clown Killifish is a tiny egg-laying killifish with bold black-and-yellow stripes, reaching 3-4 cm and living 2-3 years. Its peaceful nature suits small tanks, though water quality care makes it better suited to intermediate keepers.

7 things to know before welcoming a Clown Killifish

1. 1Watch for Jumping

   Clown Killifish spend much of their time near the surface and can leap when startled. Keep the lid tightly closed, since they can escape through surprisingly small gaps.

2. 2Choose Tankmates Carefully

   They're peaceful and can share a tank with other small, calm fish. Because they're so tiny, larger or faster fish may out-compete them for food, and they may view very small shrimp fry as prey.

3. 3Keep Them in a Group

   Keeping several individuals together lets you see their natural shoaling behavior and coloration at its best. A group also helps spread out any minor squabbles between males.

4. 4Sensitive to Sudden Changes

   This species doesn't do well in a newly set up or unstable tank. Acclimate new arrivals slowly and introduce them into a well-established, stable environment.

5. 5Pick Food They Can Eat

   They readily eat frozen and prepared foods, but their mouths are very small. Choose finely sized foods so nothing goes to waste.

6. 6Breeding Is Approachable

   As an egg-laying species, they may spawn in a home aquarium under the right conditions. Since adults will often eat their own eggs or fry, a separate breeding setup helps if you want to raise young.

7. 7Plan Around Their Lifespan

   Clown Killifish typically live about 2 to 3 years, shorter than many other tropical fish. Keep this in mind when planning your tank's long-term stocking and layout.

Frequently asked questions about Clown Killifish

Q.Is this fish suitable for beginners?

A.Basic care isn't difficult, but their jumping ability and sensitivity to water quality changes mean we consider this a species better suited to intermediate keepers. Setting up a stable tank in advance helps a lot.

Q.Can it be kept with other fish?

A.Yes, its peaceful temperament makes it a good match for other small, calm fish of similar size. Larger or more active tankmates may outcompete it for food, so choose companions carefully.

Q.How long does it live?

A.Clown Killifish typically live around 2 to 3 years. Lifespan can vary somewhat depending on care and environment.

Q.What should I feed it?

A.It readily eats frozen and prepared foods. Since its mouth is quite small, finely sized food helps prevent leftovers.

Q.Will it breed in my tank?

A.As an egg-laying species, it can spawn in a home aquarium when conditions are right. Because adults may eat their own eggs, a separate breeding tank is recommended if you want to raise fry.

Useful tools for Clown Killifish care

Learn more about Clown Killifish in the encyclopedia

More in this category