The Trumpet Coral (aka Candy Cane Coral) is a hardy and relatively peaceful reef inhabitant, with very short sweeper tentacles that minimize its aggressiveness. Trumpet Coral requires moderate lighting and moderate water movement for optimum health, along with the addition of strontium, calcium and other trace elements to the water. It can be sensitive to metal halide lighting in aquariums, but can be acclimated in time. The coloring of this coral depends on the amount of lighting or lack of lighting that it receives in the tank.