Answer:
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. ... In addition to the bright blue rings, these octopuses are famous for having extremely potent venom that can be strong enough to kill a person.
Explanation:
Basically they are significant because of their abilty to kill a human in just a few minutes.
<span>Immigrants from both periods were from eastern and southern Europe.</span>
