To add seahorses to an aquarium, the tank should be at least 18 inches tall to allow them to happily move around. A wide tank is also a good idea, as seahorses prefer to move side to side as well.

The Columbus Zoo and Aquarium has celebrated the arrival of over 70 baby seahorses after a two-year hiatus, with the baby seahorses expected to be ready for the larger habitat in the future.