Reef manta rays, Manta alfredi, cruise over the shallows off Ukumehame in a mating train, Maui, Hawaii. The individual in the foreground is a male.

- Image ID: TWP4D3
Reef manta rays, Manta alfredi, cruise over the shallows off Ukumehame in a mating train, Maui, Hawaii. The individual in the foreground is a male.
David Fleetham / Alamy Stock Photo
Image ID: TWP4D3