Aqua Zoo - Fort Lauderdale, Florida

You’ll wonder where the drum sounds are coming from — that is, until you realize it’s a local goliath grouper contracting its swim bladder to create a loud, low rumbling at this South Florida fish magnet that also attracts heaps of southern stingrays.Local Dive Guide: Warm Water, Beginner Dives, Big Animals, Guide Needed, Year-Round