200-300 Celestial Pear Danio's than you can keep all the shrimp you want.
I wanted to do that with my 125, but i ended up going bare bottom with a breeding group of Blue Tilapia.
IBC and Shelve Aquaponics
Show your aquaponics
125g Breeding group Tilapia
2x 75g+ 40B Tilapia outgrow tanks
20H Philippine blue Angelfish breeders + fry
20L CPD and Shrimp tank
10g Apisto Gibbiceps
Savannah Cat: Kimchee