The tank that I have now is a Fluval Roma 125 Aquarium, I have a standard heater in and a Fluval 205 external filter system.
Don't underestimate the space that a fish needs to swim, overcrowding either with fish or ornaments is something to avoid!
Betta fish, neons, silver hatchet, otosinclus, Fire eel, pictus catfish, silver shark, rainbow shark, gold nugget plec, silver dollars, gourami.
plastic planks, and bog wood
The pet trade gets a bad rap for exploiting wild animals but sometimes the opposite is true.
Modern advances in technology affect every industry - even the aquarium hobby.
If you are looking for a unique invertebrate to add to your saltwater tank, consider the sea urchin.