i had two corys, they were so big and huge they looked like barrels with fins no babies from them.
I bough some more so that they had a little group and I have just seem my huge female lay loads of eggs!!!! i am so excited, i moved them hopefully undamaged to a fry tank that sits in the main tank, they are all now on a big leaf.
she still seems rather busy, so i think she is off laying more!
You'll need to keep the fry extra-clean so lots of water testing and extra changes if needs be. They will need small and frequent meals. A lot like baby humans but they won't keep you awake at night. You can get special fry food that's high in protein and small enough for them to eat.
Once they are big enough to not get eaten by the adults they can be released into the main tank.
My mum managed it successfully in her tanks he had panda corys and they had babies, loads survived - she did absolutely nothing!!! Left the eggs and that was it. Me, i bought a separate tank, new filter heater all that. Moved the eggs over - NOTHING!! Only thing i can think of is that they actually werent fertilized.
Cant really add much, i know a quick water temp drop gets them in the mood and you must have happy fishies. But thats all i can add! Sorry not much help!
ah! I did have a sudden temp drop because my heater broke! ophs! every cloud and all that!
Well I have put some in special baby tank, and left some where they are. she has laid lots on the new heater and cleverly laid some in franks (male fighter) area of the tank, where no one else is allowed to go!! and fortunately he is a fussy eater!
from the flurried and horny activity in my tank, they are not done yet!!
Don't worry too much about fungus, some fish eggs are more susceptible to it than others. Just keep the water clean and the water flowing, if you have a variable flow on your filter then you might want to turn it up a bit (but not so much that your betta can't swim!). The eggs will take about 3-7 days to hatch and then another day or so to become free-swimming.
They'll be OK in the breeding trap for a while, if you get a lot of fry then you might need another one or two to prevent overcrowding. They'd also appreciate some cover, a bit of java moss or some salvinia would be fine for them to hide in.
if they all hatch I will send you some!! I will be over run! do what i did, get some new ones (corys) , break your heater, don't realise until the next morning, put in a heater ment for a smaller tank, raise temp slowly!!