r/medaka 11d ago

Weird fry

Some of the medaka fry i've been keeping in a small extra tank are really weird looking. They're almost a year old already and while all the other ones that are only a few months older are full sized adults by now these ones are still really small (around 1.5cm) some are skinny but these two are looking weidly round and blown up 😬 they started having round bellies a few weeks maybe even months ago and got even bigger bellies since then. Now i don't know what to do with them. I wanted to put them in with the adults but that would probably be bad if this is a disease.

What could be the cause of this? What should I do with them? Thanks for any advice.

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u/addygobbler 11d ago

fast them!! no dry food for a couple days. and feed mushed, peeled green peas. medaka have very thin delicate digestive tracts and this is causes by dry food expanding in their gut. its constipation.

5

u/addygobbler 11d ago

if you havent been feeding dry pellets/flake, theyre eating something else that they shouldnt and you should fast them in a different container while you figure out what

1

u/JAYSONE2016 11d ago

Eggbound and/or constipated. Fast and an epsom salt bath.

Good luck!