The marine fauna has been wiped a couple of times before. Corals will survive (probably), they had seen a few bad times before- But coral reefs is a different

The marine fauna has been wiped a couple of times before. Corals will survive (probably), they had seen a few bad times before- But coral reefs is a different and complex machine. Probably not, or will transform in a totally different structure. What we see now toke three thousands of years to physically develop. If you wipe a reef now, maybe you could expect a return to shape after 500 years. Reefs had survived atomic bombs.