There is an addition of a 7 gallon refugium to the system .< A couple more corals were added .for example purple mushroom ,orange, green bubble mushroom another open brain ( these were transfered from my friends tank as he gave up on the hobby) Anthelia ( which is growing and spreading already) and a clam.
Lighting is supported by 2 NO daylight, 2 NO Actinic Fluorescent .
Someone help me ID this clam please. .