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[Easy DIY] Make a Medaka Egg-Laying Mop with Everyday Materials! A Collection of Handmade Ideas

Thinking about making your medaka’s breeding season and home setup more comfortable? Did you know you can actually handcraft a spawning mop using simple, everyday materials to help them lay eggs safely? Creating a healthy environment where your beloved medaka can lay eggs with confidence is one of the key things to consider when keeping them.

In this article, we’ll show you how to make a medaka spawning bed that even beginners can try with ease.

Why not gift your medaka a wonderful environment with the unique creativity and ideas that only handmade gear can offer?

[Easy DIY] Medaka Egg-Laying Mops Made from Everyday Materials! Handmade Idea Collection (11–20)

A cute spawning bed made with interlocking mats

@umikozou1

I tried making a cute spawning bed for my medaka (Japanese rice fish)!Daruma#Medaka#MedakaBiotopeSea Imp

Original music – umikozou1

This is a medaka (Japanese ricefish) spawning bed made by using a foam interlocking mat as a float.

Buy an interlocking mat from a 100-yen shop or similar and cut it into any shape you like.

Wrap several layers of tulle around it, then secure the center tightly with a zip tie.

After securing it, cut both ends of the tulle with a razor or scissors, just like making a yarn pom-pom.

Do not cut off the end of the zip tie—leave it as is and stick it into the interlocking mat.

That’s it.

It’s really exciting and delightful when the medaka lay their eggs.

submerged spawning bed

@yoshihiko7716

#MedakaSenseiMedaka

♬ It is a song that suits a relaxed everyday life.(818609) – Qoolbist

When it comes to spawning mops, there are broadly two types: sinking and floating.

This one is a sinking-type spawning mop.

Get some black tulle fabric for spawning mops from a 100-yen shop or similar.

You’ll also need some zip ties and ceramic filter media.

First, wrap the black tulle around three fingers about 20 times, slide it off your fingers, and secure one end with a zip tie.

Cut the unsecured end with scissors, then fluff out the strands.

Push the zip-tied end into the ceramic media, and just toss it into the aquarium.

It’s said to be especially popular with long-finned varieties of medaka (Japanese rice fish).

upside-down spawning bed

@yuyu5212838296139

#MedalLifeLife with Medaka (Japanese rice fish)I want to connect with medaka lovers#DeepSeaDaruma#Upside-down Spawning BedImitating by sight

♬ A cute pop song with the sound of bubbles(1563452) – sanusagi

For some medaka, it might actually be easier to catch eggs when the surface is upside down.

In that case, this upside-down spawning mop is recommended.

Cut a medaka spawning material—similar to the hard side of a kitchen sponge—into narrow strips, then curl and bundle them together.

Spread the material out like an upward-blooming flower, attach a stick oriented upside down, fix it to a ring-shaped float, and let it float in the aquarium.

You don’t have to buy special spawning material; you can also adapt things like the edge of tulle fabric.

Try making different versions to find the perfect spawning mop for your medaka.

Floating-type spawning bed with hard scrubbing brush

Medaka Sensei: How to Make a Floating Spawning Bed
Floating-type spawning bed with hard scrubbing brush

Here’s a floating-type spawning bed you can make with a hard scrub brush and a styrofoam pipe cover.

Cut the hard scrub brush into one-eighth size pieces, then slice it into thin strips while leaving the top intact.

Once you’ve made the cuts, roll it up.

After rolling, insert the end that connects to the hole of a pipe cover cut to an appropriate length, then bundle it with a rubber band to finish.

Everything can be bought at a 100-yen shop, so the manufacturing cost is about 10 yen per unit.

The pipe cover acts like a float and drifts on the water’s surface.

Coconut-based spawning substrate

Here’s how to make an egg-laying mat using a natural coconut fiber mat.

A coconut mat is a sheet made from fibers of coconut shells.

It’s mainly used by placing it around the base of potted plants, but it can also serve as an egg-laying substrate.

You only need a coconut mat and some zip ties, so give it a try.

Cut the mat into 15 cm by 10 cm pieces, peel it into two layers, and place them back-to-back.

Wrap them around a pipe or similar object, secure with zip ties, and then remove the pipe—that’s it.

In conclusion

By handmaking a spawning mop for your medaka, you can feel the tiny lives born in your aquarium more closely. With simple materials and a gentle touch, let’s create an environment where the medaka can lay their eggs with peace of mind. A new story for your medaka will begin from the spawning mop you make!