Imagine a world where the boundaries between “fish” and “not-fish” blur, where the ancestors of birds and mammals once swam ...

As movies like Finding Nemo demonstrate, there is almost no limit to the variety and wonder of the aquatic world. Fish are among the most populous creatures on the earth and are a vital link in almost ...

provide freedom of movement to all vertebrates. Scientists have known for decades that synovial joints were present in early tetrapods, and more recently also discovered them in bony fishes, but it ...

Los Angeles (March 26, 2025)—Evolving roughly 27 different times in the long history of fish, bioluminescence—the biological production of light—is one of the flashier survival tools used ...

The garpike has reptilean combined with fish characteristics. A similar pecularity is noticed in plants, some of which combine the characteristics of different species. We shall see, hereafter ...

New research published in the Journal of Vertebrate Paleontology ... hemisphere radiation of Osmeriformes. The fish had such a unique set of characteristics that the researchers determined it ...

A fossil analysis suggests that the yunnanozoan, a wormlike fish that flourished around 520 million years ago, sported structures that were the precursors of the head and jaws of modern vertebrates.

apelin has been identified to play an orexigenic role in vertebrates such as fish. It aids in several regulation of biological activities in fish, which most importantly includes the regulation of ...

but that the interplay of multiple senses may be important to all aquatic vertebrates that undergo continual growth of both their peripheral and central nervous systems (such as cartilaginous and bony ...

The silver spinyfin has an extraordinary diversity of rod photopigments, which researchers propose may allow it to see color in the deep, dark sea. After a year teaching an algorithm to differentiate ...