In a river of ... unfamiliar-looking crabs. They took a closer look at the animals and eventually realized they’d discovered a new species: Sudanonautes nkam, or the Nkam freshwater crab.

Vampire crabs ... yellow eyes, have become popular as pets, but the origin of some of these spooky-looking crustaceans has been cloaked in mystery. Until now. Now researchers have traced the ...

The researchers examined around 23,500 species of dragonflies, fish, crabs ... every big river in North America and Europe is massively modified” through damming, putting freshwater species ...

On one trip, about 55 miles south of the capital city, Chang stopped at the freshwater ... The crab is “mostly brown overall” but has some darker brown spots, and orange and pale yellow ...

New research reveals that damage to these environments is pushing freshwater animals to the edge of extinction, with 24% of species in danger of being wiped out. Thousands of fish, crab and dragonfly ...