ISHIGAKI, Okinawa Prefecture--When underwater photographer Kazushige Horiguchi dived in waters off Ishigakijima island, he saw that a "miracle" had occurred. Horiguchi has taken pictures of coral ...

Coral reefs are marine structures created by calcifying coral animals and their algal symbionts. Coral reef ecosystems are generally high in biodiversity, most often found in shallow tropical seas ...

Coral reefs are facing well-documented threats from climate change, including catastrophic bleaching events and increasingly severe storms. Isolated atolls are particularly susceptible to ...