Scientists have discovered what they say is the oldest tropical reef fish recorded anywhere in the world – an 81-year-old midnight snapper caught off the coast of Western Australia.

But it doesn't look a day over 80.

Invasive rats are making some reef fish more peaceful, and that’s bad, actually Non-native rats on tropical islands are changing fish behavior and it all comes down to bird poop. By Laura Baisas ...

Animalia Land-dwelling rats are upending life for coral reef fish. When rats invade tropical islands, they can trigger a chain reaction that reverberates all the way to coral reefs, researchers say ...

Synodus autumnus, or the autumn lizardfish (Iroha-eso in Japanese), derives its name from its warm-toned coloration, reminiscent of the time when leaves turn orange, yellow and red in the fall, also ...

Of the roughly 2,100 known species of fish in the Red Sea, 10 to 15 percent aren’t found anywhere else on Earth. The grumpy dwarf goby is now another addition to this unique crew.

More information: Matthew McLean et al, Conserving the beauty of the world's reef fish assemblages, Proceedings of the National Academy of Sciences (2025). DOI: 10.1073/pnas.2415931122 ...

Rainbow Reef is a 166,000-gallon aquarium stocked with 1,000 reef fish, almost all of them Hawaiian species. With a solid diet and highly filtered water, the lagoon is an idyllic, stress-free ...

The reef fish population in the Gulf is growing ahead of the 2025 red snapper season, according to the University of South Alabama's annual fish survey.