My thank has 3 filters all with a different function gravel rocks and UV spectrum light.
Start with a Convict it is an interesting fish.
I have a flowerhorn now but i have had from Oscars, Pacu ,Malawi,RedDevils and Convicts.
I have plastic plants
I have kept fish from age 14 i am 32 now.
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.