Species	Appearance	Region	Danger Level
Bluebottle	Small blue balloon with a long blue tentacle.	All Australia	Low: Painful but usually safe.
Box Jellyfish	Large, box-shaped, transparent, with long tentacles.	Northern Australia	EXTREME: Fatal without immediate help.
Irukandji	Tiny (fingernail size), almost invisible.	Northern Australia	EXTREME: Causes "Irukandji Syndrome."

Species	Appearance	Region	Danger Level
Bluebottle	Small blue balloon with a long blue tentacle.	All Australia	Low: Painful but usually safe.
Box Jellyfish	Large, box-shaped, transparent, with long tentacles.	Northern Australia	EXTREME: Fatal without immediate help.
Irukandji	Tiny (fingernail size), almost invisible.	Northern Australia	EXTREME: Causes "Irukandji Syndrome."

Species	Appearance	Region	Danger Level
Bluebottle	Small blue balloon with a long blue tentacle.	All Australia	Low: Painful but usually safe.
Box Jellyfish	Large, box-shaped, transparent, with long tentacles.	Northern Australia	EXTREME: Fatal without immediate help.
Irukandji	Tiny (fingernail size), almost invisible.	Northern Australia	EXTREME: Causes "Irukandji Syndrome."

Species	Appearance	Region	Danger Level
Bluebottle	Small blue balloon with a long blue tentacle.	All Australia	Low: Painful but usually safe.
Box Jellyfish	Large, box-shaped, transparent, with long tentacles.	Northern Australia	EXTREME: Fatal without immediate help.
Irukandji	Tiny (fingernail size), almost invisible.	Northern Australia	EXTREME: Causes "Irukandji Syndrome."