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An important echologic role of jellyfishes is the control over the fish population, by eating their larvae.

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16y ago

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Do blue bottle jellyfish attack humans?

Yes. If you happen to see or run into a blue bottle jellyfish, you better swim away.


Do jellyfish attack humans?

Yes. Without notice and without warning.


How does a jellyfish know what they are doing with no brain?

Essentially, we would presume that a jellyfish would not know or think about what it's doing. A jellyfish would go on its instincts. You have to remember that a jellyfish still has neurons, but it will not have a center of control of these neurons (which we call the brain). Thus, the jellyfish would not think to attack another fish and eat it, its neurons will simply react to the closeness of a fish and engage the jellyfish in this behaviour of killing and eating its pray. It is done pretty automatically. However, I do not know if the jellyfish would be able to learn with no brain. It can adapt to the environment, but can we make it learn specific behaviours?? So basically jellyfish are like robots, they run on autopilot.


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Can box jellyfish kill its predators?

Box jellyfish is actually a group of many species of jellyfish. Some are highly poisonous, others have a much weaker poison. The deadliest varieties can easily kill a human, while others may cause nothing more then itching for a few minutes. As for killing its predators, there are certain fish that have evolved defenses to the poisonous sting of box jellyfish making it so they can attack and eat the jellyfish without danger of being killed.


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Yes, the box jellyfish IS a true jellyfish.


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What are three sentences for the word jellyfish?

Jellyfish were one of the first creatures to exist on the planet.He was stung by a jellyfish on holiday.Some jellyfish are harmless.


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What is the genus of a Immortal jellyfish and a Lion's Mane jellyfish?

Immortal Jellyfish: TurritopsisLion's Mane Jellyfish: Cyanea