I now have a little colony of 6 wc mountain minnows & 6 gold minnows in 90L planted tank along with a pair of sulking ramshorn snails. Am I topped off it is there anything else I could consider adding. Black tetras? Guppies?
It seems like you have a lot of mid to top level fish, if you wanted to add something else, maybe look for something that would be a mid-level to low level fish. Maybe some habrosis or panda corys at the bottom to help with the clean up?
If it’s a 90 litre tank then you are close to stocked.
I wondered if I was nearly to full which is why I've stuck to the 12 tiddlers. Touch wood, the tank is maintaining parameters and I didn't want to top it over. I'm happy to stay as we are but I was interested to find out if there was anything I could add for variety.