Fish Ideas?

My cycling is moving along very nicely as my nitrite is almost zero and showing lots of nitrate. I know I only have a 20g tank so my fish will be very limited but nearing the end of my cycle i'm trying to figure out what I will have.

I had been planning on keeping 2 perc or ocellarus clowns, 1 emerald crab, 2 peppermint shrimps, and a variety of snails. The more and more I think about it, I was considering dropping one of the clowns for something else. Any ideas for something else that would go good in this tank?

I'd look at some of the small gobies.Their cool little fish and a blast to watch.

I like the spotted jawfish, might be a stretch keeping him in a 20g though. I think paired clowns are cool too though. Clowns have a lot of personality.

I thought my tank was going to be fish only, but after I discovered LPS I wished I didn't have so many fish. If I had your tank, I love the shrimp and fish you have mentioned so far. I would keep that the same, then you leave yourself more room to play with corals. Think about getting a frogspawn, elegance, etc... that the clown can form a symbiotic relationship with. That's my favorite part of my tank. Just my opinion.

firefish, cardinals, smaller damsels, blennies, gobies, small wrasse (like a 6line)