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Poisonous animals
 
Cnidarians (Jellyfish, Corals and Anemones)
 
Venomous fish
 
Scorpions
 
Spiders
 
Hymenopterans (Bees, Wasps and Ants)
 
Sea snakes
 
Terrestrial snakes
 
Miscellaneous animals
 
 
 
 
 
 
 
 

Morphological identification of cnidarians (jellyfish, corals and anemones)

 

 

Common types of cnidarians:

 





Hard corals

(sessile colonies)

Feather hydroids

(sessile colonies)

Anemones

(sessile individuals)

"Jellyfish"

(free floating individuals/colonies)

 

 

 

 

Venom apparatus of cnidarians: Nematocyst in the various phases of discharge

(see "General information on cnidarians" for more informations.):

 

a Resting phase.
b When the cnidocil is activated the lid opens.
c The barbed ring is ejected first.
d Final stage with everted venomous thread.