Fish have filled Earth's oceans, lakes and rivers for half a billion years, and while we know much about our aquatic friends, like the saying goes, there are plenty more fish in the sea to learn about.
Live Science brings you the latest discoveries about fish, from the fossils of giant ancient fish that likely preyed on humans' ancestors to the living unicorn-like blind fish dwelling deep in Chinese caves. We dive into facts about iconic aquatic animals like great white sharks, the world's largest predatory fish, and if you just want to stare at photos of the freakiest-looking fish, we’ve got you covered there too. Our expert writers and editors are here to serve all your aquatic curiosities with the latest fish news, features and articles.
Discover more about fish
Latest about Fish
380 million-year-old remains of giant fish found in Australia. Its 'living fossil' descendant, the coelacanth, is still alive today.
Researchers have discovered a new extinct species of coelacanth that lived 380 million years ago.
Northern sea robin: The bizarre fish with crab legs it uses to taste the seafloor
The northern sea robin is a strange-looking fish with legs that it uses to "taste" the seafloor.
Stunning video shows sharks devouring sea urchins, spines and all
Sharks easily consumed large, spiky sea urchins – sometimes in just a few gulps.
Alligator gar: The 'living fossil' that has barely evolved for 100 million years
This living fossil can grow as large as an alligator, has two rows of needle-sharp teeth, and such strong armor that it survived predatory dinosaurs.
How did sharks become Earth's 'ultimate survivors'? Paleontologist John Long finds answers in new book 'The Secret History of Sharks'
"The Secret History of Sharks" author John Long met with Live Science to discuss his new book, recent revelations about megalodons, and how he got over his fear of great whites.
Angular roughshark: The pig-faced shark that grunts when captured
An angular roughshark pulled from the water near Elba, an Italian island near Tuscany.
Watch baby Japanese eel escape from stomach of predator in X-ray video
An eel inside the digestive tract of a dark sleeper fish before its escape attempt.
Giant oarfish: The 'doomsday' fish of legend that supposedly foreshadows earthquakes
In mythology, giant oarfish are said to foreshadow earthquakes, although evidence shows this is not the case.
