Found object tank. Windowsill lighting. Natural filtration and semi regular water changes/testing.
Killifish (Some of the only ones morally advisable for this size of tank.)
Java fern, moss, grass, duckweed, water lettuce, forget-me-name 1 & 2.
There is nothing more beautiful than a thriving saltwater tank, but these tanks can be expensive to set up and maintain.
Learn how well stacked rocks can add personality and a natural look to your aquarium.
An overview of keeping fish in a fish bowl.