Hydra /ˈhaɪdrə/ is a genus of small, fresh-water animals of the phylum Cnidaria
and class ... Once fully extended, the tentacles are slowly manoeuvred around
waiting for contact with ...
Dec 22, 2015 ... As it turns out, the real-life animal named after this mythical beast may be even
more tenacious. A new study finds that hydra — spindly, ...
Hydra, genus of invertebrate freshwater animals of the class Hydrozoa (phylum ...
A familiar coelenterate animal, the freshwater Hydra, usually reproduces ...
Sep 22, 2013 ... A hydra belongs to the phylum Cnidaria: a freshwater jellyfish that resembles a
long, skinny, sea anemone. Its tentacles wave about the ...
Mar 10, 2016 ... Imagine sitting down to a nice dinner with friends and family. Then, when the food
is fully served, everyone suddenly rips their faces open to ...
Jan 30, 2015 ... Scientists believe that the hydra may be able to eternally resist going ... of less
than half an inch in length, they are marvels of the animal world.
Most hydra are tiny, reaching a maximum of only about 30 mm long when fully ...
disc produces a gas bubble which carries the animal up to the water surface.
Feb 6, 2015 ... The hydra is one of the few creatures on Earth that looks exactly like a ... This is a
supremely simple animal, belonging to the same group as ...
May 9, 2016 ... In fresh water all over the world lurks a creature that may just be immortal: the
hydra. It's got kind of a jellyfish thing going on, with tentacles it ...
Mar 8, 2016 ... There's a small, tentacled freshwater animal called a hydra, whose mouth
disappears every time it closes. I really mean that: it disappears.