What habitat do blue-ringed octopuses live in?

What habitat do blue-ringed octopuses live in?

The four species of blue-ringed octopuses are small predators that live in tide pools and shallow rocky reefs throughout the western Pacific and Indian oceans. They reach lengths (including the arms) of only 8-10 inches (20-25 cm) and are named for the bright blue circles that they display on their bodies and arms.

How long do blue-ringed octopuses live?

about 2 years
The blue-ringed octopus is about the size of a pea when hatched then grows to reach the size of a golf ball as an adult. They mature quickly and begin mating the following autumn. Males die after mating. Octopuses, along with squid and cuttlefishes have a short lifespan of about 2 years.

What does a blue-ringed octopus need to survive?

The blue-ringed octopus can live in a beautiful Coral Reef or a plain tide pool. This organism is good at adapting to both warm and tropical areas. The blue-ringed octopus moves on of two ways. They will move either by crawling along the bottom of the tide pools or by jet propulsion.

What happens if you eat a blue-ringed octopus?

Poison – Unlike some marine species, which are poisonous when eaten, you don’t have to eat a blue ringed octopus for it to hurt you. This is because they are venomous not poisonous! If a blue ringed octopus bites you, it injects venom that quickly makes its way into your bloodstream.

Is there an antivenom for blue-ringed octopus?

Blue-ringed octopus emergency treatment There’s no antivenom for a blue-ringed octopus bite. Venom from a blue-ringed octopus may cause respiratory depression or arrest.

How poisonous is the blue-ringed octopus?

Although all octopuses (as well as cuttlefish and some squid) are venomous, the blue-ringed octopus is in a league of its own. Its venom is 1,000 times more powerful than cyanide, and this golf-ball sized powerhouse packs enough venom to kill 26 humans within minutes.

What is the blue-ringed octopus favorite food?

Blue-ringed-octopuses hunt during the day. They eat small crabs, hermit crabs, shrimp, and occasionally small fishes: however, they are primarily crab-eaters.

What happens if a blue-ringed octopus stings you?

The octopi’s salivary glands produce the venom, and the bacteria gets dispersed through their beak. TTX can paralyze a human in minutes. Due to this paralysis, your body wouldn’t be able to get enough oxygen, and death from a blue-ringed octopus would occur.

What kind of water does a blue ringed octopus live in?

Relatively little is known about the biology of blue-ringed octopuses. All three species occur in relatively shallow water from the intertidal to around 30 m. Both H. fasciata and H. maculosa are in-shore species that frequent rock reefs and tide pools.

How many people have been killed by blue ringed octopus?

This toxin can be fatal; it has known to have caused the deaths of at least three people: two in Australia and one in Singapore. Many more people have come close to death as a result of the bite of the blue-ringed octopus.

Where does the ink come from in a blue ringed octopus?

The funnel can also shoot out ink in some blue-ringed octopuses, which comes from a gland located in the liver. Although molluscs in general are known for their shells, in the octopuses this shell has been greatly reduced through evolution, and now exists only as two small rods.

What makes the blood of an octopus blue?

Another distinctive feature of the octopuses is the colour of their blood: transparent blue. This is due to the respiratory pigment of the octopuses being based on a copper atom; the respiratory pigment of a human is based on an iron atom, which makes our blood red.