5. Blue Ringed Octopus
About the size of a golf ball, do not let its small stature fool you, this hazardous creature retains enough venom to kill 26 full grown adults as you might have guessed, there’s not any antidote. Assuming your buddy ever gets bitten you’d better understand CPR since you may be confident that within minutes they will be totally paralyzed and not able to breathe. Mother character, nevertheless, shows no mercy and they’ll keep their awareness for the upcoming few hours before the venom is neutralized by their own entire body. That is of course assuming that you, or somebody in the hospital, proceeds artificial respiration.