He and his colleagues had done it with a sci-fi-worthy experiment that recorded every blip of brain activity in a transparent baby zebra­fish, a landmark feat published just a year earlier in the ...

Here are our favorite types of freshwater fish you can keep as a pet. If you're in the throes of setting up a home aquarium, ...

The blobfish will be neglected for its looks no more, conservationists say, This sea creature may have just experienced the "ugly duckling" glowup of the fish world. Once dubbed the "world's ...

Livebearer fish are some of the most fascinating marine creatures. Instead of laying eggs, they produce fully formed live ...

in a state of perpetual maritime melancholy—may be the new face of our relationship with nature, the planet, the future. Mr. Blobby is a fish for a world gone soft in the head.