The African butterfly fish is a remarkable fish. Individuals in different populations look the same but they differ genetically by a huge amount, more than the difference between humans and ...

Hawai‘i is famous for its clouds of butterfly fish snorkelers and divers can see here on our coral reefs. We have dozens of different species in Hawai‘i, and they all are quite colorful and stand out ...

When I first started scuba diving many years ago in Kaua‘i, I noticed large schools of kikakapu (butterfly fish) following me around while diving. I was thrilled to have this happen but very confused, ...

A beautiful black, white and yellow butterflyfish, much admired by eco-tourists, divers and aquarium keepers alike, may be at risk of extinction, scientists have warned. The case of the chevroned ...

A tiny coral reef lightens the azure waters off Papua New Guinea's Kimbe Island. For its diminutive size, the 0.3-square-kilometer (0.11-square-mile) reef supports abundant populations of orange clown ...

Scuba diver Lloyd Bond thought the first time he saw a spotfin butterfly fish under a Nova Scotia wharf it would be a one-off. "It's like, oh wow, I saw a butterfly fish and a seahorse in the same ...