Researchers are perplexed by them and long-time residents of Hawaii have never seen anything like it before.
WATCH: Millions Of Mysterious Creatures Wash Ashore On Hawaii Beaches In Rare Event
Tag Archives: reef
Taming the Lionfish: Can Predators Be Trained to Control an Invasive Species?
In March, on a small reef off the coast of Honduras, a group of pioneering conservationists started teaching sharks how to hunt.