I want a striking, unusual single fish to keep in a 20 gallon

What's one single fish I can keep in this 30 gallon? Need ideas

What are some good beginner freshwater fish and plants (not including bettas) that can live in a 10-20 gallon tank for someone who is just entering the fishkeeping hobby? - Quora

How many cichlids can you keep in a 20-gallon tank? - Quora

I want a striking, unusual single fish to keep in a 20 gallon

The Best Fish For a 5 Gallon Aquarium (And Small Tank Benefits)

20 Gallon High Fish Stocking

15 Best Fish For Small Tanks (With Pics!)

The Best Fish For a 5 Gallon Aquarium (And Small Tank Benefits)

How to set up a 10-gallon freshwater fish tank - Quora

I have a heavily planted 20 gallon aquarium. I want a single center piece fish. What are some suggestions? - Quora

What are some good freshwater fish pets for children? - Quora

What are some good fish to stock a 20 gallon fish tank with? - Quora

What are some weird looking but peaceful fish that can be kept with other species of fish in an aquarium (without any saltwater)? - Quora

What are the least aggressive fish for a community tank? - Quora