A new genus and species of lungfish that lived approximately 365 million years ago (Famennian stage of the Late Devonian period) has been identified from...
The Great Barrier Reef anemonefish (Amphiprion akindynos) can see ultraviolet light and may use it as a ‘secret channel’ to find both friends and food,...
Arapaima gigas is a large Amazonian fish (weighing up to 150 kg) living primarily in seasonal lakes infested with ferocious piranhas. The freshwater giant...
A new species of prehistoric stingray with an exceptional anatomy, which greatly differs from living species, has been identified from fossils found in...
The electric eel (Electrophorus electricus) has long been assumed to be one species, but an international team of scientists has now discovered there are...
An international team of researchers has announced the results of investigations into the environmental DNA (eDNA) present in Loch Ness, a large freshwater...
A team of U.S. researchers has discovered a previously undescribed group of small molecule metabolites responsible for the green biofluorescence in two...
A species of dragonfish called Aristostomias scintillans is a voracious predator of the deep sea with an arsenal of tools to hunt prey. It has proportionately...
A slab of grayish limestone shale from the Eocene Green River Formation, the United States, caught a school of Erismatopterus levatus, an extinct species...
Some deep-sea fishes have developed highly sensitive color vision that could help them determine predator from prey in the dimly-lit depths.
The lanternfish...
A new study into one of the world’s oldest types of fish, the coelacanth, illuminates for the first time the development of the brain and skull of this...
At a site dubbed Tanis in North Dakota’s Hell Creek Formation, paleontologists have unearthed an assemblage of exquisitely-preserved fossilized organisms...
A multinational team of researchers has successfully sequenced the genome of the Antarctic blackfin icefish (Chaenocephalus aceratus), opening a genetic...
Six new species of tentacle-nosed catfish have been discovered in the Amazon and Orinoco River basins.
A close-up of the tentacles of a male Ancistrus...
A new species of freshwater shark that lived about 67 million years ago (Cretaceous period) has been identified from fossilized teeth found in South Dakota.
An...
An African freshwater fish species called the Peters’ elephantnose fish (Gnathonemus petersii) generates weak electrical pulses to safely navigate its...
A Mediterranean diet supplemented with two fatty fish meals per week might be a potential strategy for reducing airway inflammation in childhood asthma.
Eating...
A remarkable new species of predatory fish that lived about 152 million years ago (Jurassic period) has been identified from a fossil found in Germany.
Piranhamesodon...
