A new study from NYU Abu Dhabi has found that small coral reef fish in the Arabian Gulf are facing a hidden but growing source of stress. When oxygen levels drop at night, a common occurrence on some ...

Nighttime drops in ocean oxygen raise energy use in small reef fish. Repeated stress could affect reef health as oceans warm.

Savannah's Gray's Reef National Marine Sanctuary Ocean Discovery Center reopens after a $1 million renovation. Celebrate at a ...

A small coral reef fish can recognize itself in a mirror. This discovery challenges long-held ideas about animal intelligence ...

Learn how cleaner wrasse used a mirror and even dropped food to test their reflections, a behavior linked mostly to mammals.

Coral reefs cover less than 1% of the ocean floor, but have some amazing superpowers. The next 10 years are a critical window for action to save our reefs.

Isotope evidence from fossil otoliths shows Caribbean reef food chains have shrunk by up to 70%, signaling a major loss of ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. One of the most easily visible impacts of climate change is coral ...

Reef fish evolved the ability to feed by biting prey from surfaces relatively recently, a UC Davis study shows. The innovation has driven an explosion of evolution in reef fish. Image shows a rainbow ...

A new study using high-speed video shows for the first time that the reef fish Zanclus cornutus (Moorish idol) and the related surgeonfish can move their jawbones sideways as well as up and down. This ...

A shrimp scrap drifted down the face of a mirror, and a small reef fish tracked it like it was watching a slow-motion ...

State legislators have advanced measures that would ban catching fish in Hawaii waters for aquariums and increase fines for illegal poaching.