Powder Blue Tangs & Emperor Angelfish: Two Common Fish That New Reefkeepers Should Avoid

Reefkeeping is a paradox. We set up an aquarium to display all the wonderful diversity of the tropical oceans, only to be told that we can’t keep the vast majority of species in our tanks. I help out in my LFS on Saturdays and the following two species are probably the two that people ask me for and point out the most, only for me to deliver the grim news that they can’t have them. And here’s why.

What to Consider when Converting a Fish-only Tank to a Reef System

“Caribbean Chris” and I are very frequently asked what it takes to convert a fish-only marine aquarium to a reef system containing corals and other sessile invertebrates. Can you just go ahead and add the invertebrates? Can you modify the…