Now my dad (a long time aquarium ethusiast) said snails will quickly overrun your tank, so I'm a little wary of them. But the zebra nerite looked pretty cool.
I would just imagine the would rot and pollute the water if I didn't see them and clean them. I don't know I'm just being paranoid about setting up my new tank, which is my first in a very long time.
keep in mind that bettas do not need aerators, but the tank mates you get will. You need a filter if you have tank mates. You do not if you have just the betta (most opt for it to break surface tension; keeps scum down; reduces the rate of required water changes.
If you have a tank that is wider than tall, you could potentially have a group of 4 Neon/Glowlight Tetra, or similarly small schooling fish. But that will be it. They will want the plants to hide in, and your betta will be less stressed to not see these tankmaes clear as day (that is what stresses fish out, is how many fish they can clearly see that alarm them).
A loach in 5.5 gallon tank? Loaches get pretty big, most places I've checked suggested a 75+ as they also prefer groups of 3 like cats.
I think I'll be going with shrimp (either cherry, yellow, or blue pearl) and one snail. I'm going to add the snail last after I add the plants so to make sure they don't have pests like pond snails, my reason being if they do (as pond snails can overrun your tank) I would buy a assassin snail which lives in the substrate and eats other snails while leaving fish and shrimp alone.
keep in mind that bettas do not need aerators, but the tank mates you get will. You need a filter if you have tank mates. You do not if you have just the betta (most opt for it to break surface tension; keeps scum down; reduces the rate of required water changes.
If you have a tank that is wider than tall, you could potentially have a group of 4 Neon/Glowlight Tetra, or similarly small schooling fish. But that will be it. They will want the plants to hide in, and your betta will be less stressed to not see these tankmaes clear as day (that is what stresses fish out, is how many fish they can clearly see that alarm them).
Worst idea yet. a loach and pleco should never be in a 5g tank