The species was named Sphyragnathus tyche, combining Greek words “sphyra,” meaning hammer and “gnathus,” meaning jaw for the ...

The new minnow species, Phoxinus kottelati, is able to change its color pattern during spawning, according to a study. Photo ...

This rare trait may allow the rainforest-dwelling species to move sideways instead of just forward, according to researchers.

Shrimp trawlers accidentally caught slender sharks with large eyes & blade-like teeth, then scientists discovered a new species: Indian houndshark, study said.

New frog species is armed with special skin-puncturing claw. The "extraordinary" Ecuadorian amphibian may use the special body part to flay and stab predators—and even fellow frogs.

In an over 180-year-long case of mistaken identity, “photo guidebooks and most divers mistook (the new species of sea robin) for Darwin’s species,” Victor wrote.

Scientists found “long”-tailed creatures with “large” eyes lurking in forests of Thailand and Malaysia and discovered a new species. Photo from Grismer, Kaatz, Grismer, Nguyen, Gregory ...

A photo shows the new species’ “dense, soft and relatively long” hair. Overall, the mouse-eared bat’s fur is “dark brown” with some lighter hues mixed in and a paler golden-brown belly.

The new species has thornlets down the length of its back, according to a study. Max via Unsplash In Fiji, a ray with light blue spots and a mask-like pattern on its face began appearing in the ...

New species get added all the time – about 15,000 of them every year. But we have no idea how many species we’ve never met. Scientists think there could be 5 million species out there.

The team realized they’d discovered a new species: Serrasalmus castellonae, or Castellón’s piranha. Castellón’s piranhas have flattened bodies reaching about 7 inches long, the study said.

The study identifies the Okanagan and Misfortunate Crayfish as two new species, adding to a list of over 640 global crayfish species. The Signal Crayfish is native to the Pacific Northwest, but most ...