r/medaka

I decided to go with a barrel pond. Apparently wine barrels are 2" wider than whiskey barrels. Oh well. The fish have been in there for 4 days and seem healthy and active.

I live beside a large forest, with bears, deer, raccoons, herons. So I guess any one of those. It’s about 27 degrees here. The thing is, animals are not tidy and there is no fecal matter anywhere. Only my statues and camera were knocked over. I do have a dog, but he barks at everything so I don’t pay attention. My fave fish is still there.

There are some shrimp too.

This one is the smallest and a bully so she might just be eating everything and pushing the others away lol
But maybe she’s gonna start pushing out eggs soon? I’m very new to medaka sorry lol

I noticed today that one of my blue sparkle medaka has what looks to me like pineconing on his scales, but isn’t necessarily swollen to my (untrained) eye. He’s moving slower than the others but is still active…Thoughts? Next steps?

My nitrate, nitrite, chlorine, KH, and pH all tested normally on a dip strip test. I have a 100 gallon stock tank with a Walsted-esque setup, including floaters, planted lava rock and sand substrate.

Four days ago, I purchased this lil guy from a LFS with five other blue sparkles and seven other medaka. They do not quarantine their medaka prior to purchase. I also posted this week about having two fish die during the acclimatization process, before having touched my tank water.

A little out pluck of my kohaku lame babies, gonna end up keeping way to many 🙈🪷

They are about 2 months old 🍊

My fish that grew these lumps have sadly since died but any idea what it was? They were in with corydoras and neon tetras none of which had the same problem.

I tried esha 2000 (anti bacterial and anti fungus) methylene blue bath 10 second dips, anti parasite medication, (obvs not all at the same time) nothing worked.

Luckily, I managed to raise a bunch of fry from them.

Update - thx to ichthius' suggestion, I did some googling and I reckon it looks like glugea. not mentioned in general fish disease diagrams you see online or on medicine packaging.

The white bumps seem to be xenomas (like eggs up close - google that at your own risk!) which is why I thought they might be internal parasites/fungus/tumours.

No cure but isolate the fish - if the xenomas burst, will release fungus spores into the aquarium and infect other fish.

Kohaku lame

@suiren_bachi_medaka

Hi I'm located in the UK am I'd love to own more fancy medaka varieties. I keep my fish in a secure greenhouse that is connected to my house. Unfortunately it cannot have any electricity other than solar power. It is insulated and unheated during winter to keep in as much heat as possible. I've kept platinum and miyuki medaka in my container pond for little over a year now and they are thriving and breeding very VERY prolifically but I'm curious if there are any variations of medaka that will survive the winter here , perhaps lame and long finned varieties. Sadly I cannot bring them in the house during winter due to personal matters. I'm especially interested in long finned varieties since I find them extraordinary but they are rarer here. The current fish I have are shown in the photographs. Pls help and advise, I'd hate for something bad to happen to any fish I own 😔🥺🤔🙏

I understand moss needs potassium, phosphorus, nitrogen as well as trace minerals etc. what would the best way to fertilise this moss be? It's superglued onto plastic. Various hypnales mosses. Can I use fish water? I just sprayed with distilled as it was dry but not sure what to do from here tbh

I swore I read somewhere medaka are supposed to be peaceful. lol!
My fish in my pond are always chasing each other and giving quite the 'tude. Now my newly born fry are appearing just as sassy! It cracks me up-these little floating eyelashes of terror!

Hello, I received 8 medaka in the mail yesterday. I found two dried up after they had jumped, one this morning and one this afternoon :( I drip acclimated them. I covered the mini pond at night to protect from raccoons. I have an airstone. I tested the water before I got the fish and just now, everything seems okay (the phosphate color in general seems a little weird- I’m going to get a new test kit tomorrow). It was hot today, but the mini pond is in the shade. After i found them i lowered the water level to what is depicted in the picture. Please help! I was pretty sad to find them and want the rest to live the best they can. Banana for scale.

Are these ready for the main pond?

I've bred some platinum medaka and the babies ( about 60 of them) are now just under a cm long. I've tried to select ones without deformities and are more silvery or bluish. Unfortunately I cannot keep all of them and I need to get rid of them before winter, I only have one container pond and I'm only keeping the best offspring. These are the parents so there's an idea of what the babies will look like when they are adults. I was planning on selling them for £1-£2.50 each when they are about 1.5-2 cm long. Is this too expensive? What is the ideal or best price for them? This is my first time ever breeding medaka - I bought six platinum medaka ( the parents) for £30 originally. Pls help 🥴

I have a 40 gallon container with tons of hiding spots and plants. The area under the fairy house and the area under the carnivorous plants are both mini milk crates. There is an overturned plant pot with its edges lifted up under the rice.

But in the last couple of weeks I have definitely lost one of my dark blue fish. And I think another dark blue one is gone now. And of the six toddler fish I ordered recently, I can now only find two of them.

But you’d think if something was eating them that it would be the bright orange ones that would disappear. Especially because they’re my original two fish and pretty outgoing.

I did see a dead bug in there recently that was maaaaaaybe a dragonfly larva. But I lost it before I could inspect. But I’ve dug around through the plants and looked all around and don’t see any others. Nor do I see the missing fish.

What’s the longest you’ve had a Medaka disappear only to randomly show back up?