This six-inch-long, bright-yellow fish is Hawai‘i’s most abundant butterfly fish. On the deep-water ledges off the island of Ni‘ihau there are schools of over 1,000 milletseed butterfly fish ...

The Fender's blue butterfly ... the butterfly's population expanded from approximately 3,391 insects in 2000 to 13,700 in 2018, according to a species assessment from the Fish and Wildlife Service.

A beautiful black, white and yellow butterflyfish ... hyacinthus coral, which the butterfly fish feeds on, is itself highly vulnerable – to attacks by plagues of crown-of-thorns starfish ...

MIAMI— The U.S. Fish and Wildlife Service issued a final rule today protecting the Miami blue butterfly under the Endangered Species Act. The tiny, bright-colored butterfly once occurred across ...

Five years after being photographed the spotted trident-blue butterfly has been formally ... colour was much paler – they had a lot more yellow on the underside of the forewing – and the ...

The newly recorded 18 butterfly species include Burmese Threering, Glassy Cerulean, Dark-bordered Hedge Blue, Andaman Yellow Banded Flat, Ferrar’s Cerulean, Great Red-vein Lancer, Peacock ...