Most polychaete species spend their lives in burrows in the seabed. However, adult individuals of two species, Alitta ...

Sport junkie or couch potato? Always on time or often late? The animal kingdom, too, is home to a range of personalities, each with its own lifestyle. Biologists report on a surprising discovery: even ...

Fauchald, Kristian. 1977. "The polychaete worms. Definitions and keys to the orders, families and genera." Natural History Museum of Los Angeles County, Science Series, 28 1–188.

A syllid polychaete. Photo by Alexander Semenov. The United Nations establishes international days to promote awareness on global issues and to commemorate important events. Other groups declare a day ...