Helmet jellyfish

High school (ages 12+)
Animals & Nature

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Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/helmet-jellyfish

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. How big is Helmet jellyfish?Bell diameter up to 10 cm (4 inches)
2. What is the scientific name?Periphylla periphylla
3. What is the diet?Carnivore; primarily feeds on zooplankton and small invertebrates
4. Why is the helmet jellyfish red?The red color helps it stay hidden in deep water because red light disappears quickly, so it looks invisible to other creatures.
5. How does a helmet jellyfish catch its food?It drifts in the water and uses its long tentacles with stinging cells to catch tiny animals that float by. It doesn't swim fast, so it waits for prey.

Coronal Groove: A circular groove on the bell of certain jellyfish, resembling a crown or helmet.
Aphotic Zone: The part of a lake or ocean where there is little or no sunlight.
Nematocysts: Specialized stinging cells found in cnidarians, used for capturing prey and defense.