Scientists have identified more than two dozen previouslyunknown fish species in Peru and the Amazon Basin, uncovering a fascinating array of aquatic life. Among the discoveries are a blob-headed ...

Almost all animals have symmetrical bodies. Bilateral symmetry is almost universal in all animals and is only very rarely broken—with exceptions like the five-armed starfish or crab species that have ...

When most people think about biodiversity in lakes and rivers, they imagine fish, plants, or perhaps birds and amphibians. But beneath the surface exists another world that often goes unnoticed: ...

Rare fish like the leafy seadragon, coelacanth, axolotl, mandarin dragonet, Asian arowana, zebra pleco, ghost pipefish, ...

An "odd-looking" deep-sea fish recently washed ashore on an Oregon beach to the surprise of a local aquarium. The Seaside Aquarium in Seaside, Oregon, published pictures of the dead fish in an April ...

A cavity in the middle of the rockhead poacher’s skull might be used like a maraca to produce sound, new research suggests. By Alexa Robles-Gil Ten years ago, Kory Evans, an evolutionary biologist, ...