Did you know archerfish are living squirt guns with amazing aim? That male seahorses give birth? That a giant Pacific octopus is smart enough to solve puzzles and open jars? Or that some sharks can lose up to 30,000 teeth in a lifetime? Add a splash of wonder to any day! See these fascinating aquatic creatures up close 363 days a year at the Greater Cleveland Aquarium. We are located in downtown Cleveland, Ohio in a re-imagined historic brick powerhouse on the banks of the Cuyahoga River.