New Species of Branching Worm Discovered in Waters Off Japan

Marine biologists have described a 3rd species of branching syllid worm — and the second inside the genus Ramisyllis — residing inside an undescribed species of the sponge genus Petrosia present in shallow waters at Sado Island, Japan. Among over 20,000 species of annelids (ringed or segmented worms), solely two branching species with a extremely […]