Mudskippers do not fit in a 5g.5.5 is pretty small. iv never tried brackish but i know id want a mudskipper in ther
Wata said it before that neither are brackish water.trio of male endlers and a 2.5g for a pair of male guppies Danyal? i think that would be akward. total gonopodium fest
If I were you, upgrade the tank and you can consider some BBG.so would one goby work?i have a fake plant that the crabs love sitting on all day so they should be fine with that.I know they like sand but i haven't had sand with them as i would need at least a 10 gallon to get started with it