Hydra, specifically Hydra vulgaris, are unassuming creatures. At their largest, the freshwater cnidarians (relatives of jellyfish) are just about a centimeter long. Their miniscule bodies are simple, ...

It's hard out there for a hydra. Scientists from the University of California have detailed the process by which the tiny freshwater creature Hydra vulgaris opens its mouth, and it ain't pretty: It ...

Hydra is a genus of tiny freshwater animals that catch and sting prey using a ring of tentacles. But before a hydra can eat, it has to rip its own skin apart just to open its mouth. Scientists ...

SAN DIEGO, March 8 (UPI) --Researchers have revealed the method by which a hydra opens its mouth to consume food. In order to open wide, the tiny freshwater animal splits apart its face. Hydra is a ...

Hydra is a genus of tiny freshwater animals that catch and sting prey using a ring of tentacles. But before a hydra can eat, it has to rip its own skin apart just to open its mouth. Scientists now ...

Vol. 237, No. 2, SPECIAL ISSUE: Ecology and Physiology of Dormancy in a Changing World (October 2019), pp. 111-118 (8 pages) Published By: The University of Chicago Press Despite the fact that Hydra ...