Lethality The puffer fish is some what of a Japanese delicacy going under the name of Fugu. The fish can only be prepared by a qualified master chef, but even then it is hard to eliminate the chance of poisoning as cooking cannot remove the toxin. [chm.bris.ac.uk]

It mainly eats small fish and crustaceans. It reaches a length of around 15 centimetres. Photographed in Mabul, Malaysia. [sciencephoto.com]

It's named after one of the main places you find it - fish within the order Tetraodontiformes. Fish like the famous and famously poisonous pufferfish. But it's also found in several other fish, certain starfish, crabs, algae and marine snails. [realmonstrosities.com]

Pic:Martin Lange “It’s a concern if an eight-year-old or a 12-year-old had a fish, they don’t have their parents around and they don’t know what it is,” he said. [dailytelegraph.com.au]

[…] ringed octopus can be a sting if Their botherd.The blue ringed octopus doesn't have many predators .The Moray eel is one predator.The blue ringed octopus Barely has any predators because it is Poisons other animals.The blue ringed octopus eats small fish [foxhollow.cherrycreekschools.org]

Immediate excruciating pain, followed by swelling of the foot. Muscle weakness, paralysis and dying skin may follow. The pain will subside after a day, though the swelling may take longer to disappear. [bugbog.com]

“We’ve had big swells lately and it may have been attached to the weed and come in with that. I think it was just stuck on the beach and would have got washed back out with the next swell.” [illawarramercury.com.au]

Heydon said the octopus's barb caused him immediate, but not severe, pain. "But one of its tentacle's escaped the bag and wrapped around my pinkie, which hurt a bit." [frasercoastchronicle.com.au]

Blue-ringed Octopus Bite Symptoms Within ten minutes of the bite, nausea, vomiting, extreme pain, vision problems, numbness, muscular weakness, severe breathing difficulties, nausea and floppy paralysis. • reassure the victim and keep him/her still. • [bugbog.com]

If not treated immediately, this leads to feeling of nausea, suffocation, paralysis, and cardiac arrest. » Blue-ringed octopuses hunt mostly during the day feeding on shrimp and crabs including hermit crabs. » Blue-ringed octopuses are found mostly in [animalsake.com]

Symptoms of a blue-ringed octopus bite Onset of nausea Hazy Vision. (Within seconds you are blind.) Loss of sense of touch, speech and the ability to swallow Within 3 minutes, paralysis sets in and your body goes into respiratory arrest. [theupsidedownunder.blog]

Sometimes the victim further experiences nausea, visual disturbances, vomiting and difficulty speaking. When symptoms continue and worsen, unconsciousness occurs, with possibility of death following. [theculturetrip.com]

Other symptoms include nausea, vision loss or blindness, loss of senses and loss of motor skills. Ultimately, it will cause muscle paralysis—including the muscles needed for humans to breathe, leading to respiratory arrest. [oceanconservancy.org]

Sometimes the victim further experiences nausea, visual disturbances, vomiting and difficulty speaking. When symptoms continue and worsen, unconsciousness occurs, with possibility of death following. [theculturetrip.com]

Blue-ringed Octopus Bite Symptoms Within ten minutes of the bite, nausea, vomiting, extreme pain, vision problems, numbness, muscular weakness, severe breathing difficulties, nausea and floppy paralysis. • reassure the victim and keep him/her still. • [bugbog.com]

The victim may also have over sweating, headache, dizziness, speech problems, hypersalivation, vomiting, nausea, diarrhea, abdominal pain, movement disorders and a feeling of weakness, cyanosis to extremities and lips, petechial hemorrhages on the body [ipfs.io]

Bleeding may be excessive Numbness, nausea, vomiting, changes in vision, and difficulty swallowing. [emedicinehealth.com]

The victim may also have over sweating, headache, dizziness, speech problems, hypersalivation, vomiting, nausea, diarrhea, abdominal pain, movement disorders and a feeling of weakness, cyanosis to extremities and lips, petechial hemorrhages on the body [ipfs.io]

Abstract A food poisoning incident due to ingestion of unknown octopus occurred in Taipei in December, 2010. [ncbi.nlm.nih.gov]

The victims are aware but unable to respond There is no known antidote for the venom and the only way to treat it currently is to conduct heart massage and artificial respiration as long as artificial respiration starts before marked cyanosis and hypotension [destination-scuba.com]

[…] hypersalivation, vomiting, nausea, diarrhea, abdominal pain, movement disorders and a feeling of weakness, cyanosis to extremities and lips, petechial hemorrhages on the body. [6] The second phase of poisoning usually occurs after eight hours and includes hypotension [ipfs.io]

[…] dizziness, speech problems, hypersalivation, moderate emesis, movement disorders, a feeling of weakness, cyanosis to extremities and lips and petechial hemorrhages on the body. [6] The second phase of poisoning usually occurs after eight hours and includes hypotension [en.wikipedia.org]

Respiratory failure and lethal hypotension due to blue-ringed octopus and tetrodotoxin envenomation observed and counteracted in animal models. J Toxicol Clin Toxicol. 1986-87. 24(6):485-502. [Medline]. Kizer KW. Marine envenomations. [emedicine.medscape.com]

Appearance of the blue rings is always a sign of agitation, so make sure you do not annoy them further by poking them with an object or clicking photographs without prior preparation. [animalsake.com]

When the Blue Ringed octopus is agitated, the brown patches darken dramatically, and iridescent blue rings or clumps of rings appear and pulsate within the maculae. [destination-scuba.com]

When they're agitated or annoyed, the rings brighten up while the surrounding skin darkens for contrast. Soon there's no ignoring them as the rings glow and even pulsate with a malign-yet-pretty power. [realmonstrosities.com]

In severe cases, this is followed by flaccid paralysis and respiratory failure, leading to unconsciousness and death due to cerebral anoxia. Interestingly, the victim's heart continues to beat until extreme asphyxia sets in. [thecephalopodpage.org]