What body form do they possess?
polyp and medusa stages
What is the specialized structure used for feeding? For reproduction?
feeding- hydranth
reproduction- gonangium
Where are they found? Where are the medusa commonly found?
worldwide
high-arctic and Antarctic seas
What habitat are they found in?
ocean and freshwater
What is their diet?
zooplankton, worms
Class? Phylum?
Class: Hydrozoa & Phylum: Cnidaria
A) obelia life cycle
B) tentacles
C) hydranth
D) medusa, bud
E) hydrocaulus
F) perisarc
G) gonangium
H) Polyp
Front image:
A) obelia life cycle
B) manubrium (around mouth)
C) stomach
D) radial canal
E) ring canal
F) tentacle
G) medusa
Front image:
