What's up, BRO!
Appeared in DIVER September 2010
The name blue-ringed octopus sends a shiver of terror through some - but for underwater photographers this tiny creature is an object of desire, say David & Debi Henshaw
Greater blue-ringed octopus - Hapalochlaena lunulata
Poison ocellate octopus - octopus mototi
poison ocellate showing colours when disturbed