FEATURE
| classification | Enchinoidea |
| size |
3 to 10 cm |
| feed |
algae |
Thet are purple sea urchin and red sea urchin.
There are many colourful sea urchins under the sea.
Their needles looks painful.
Take care!
Also, they look like the pumpkin carriagfe.
Anyway, they are so cute!!!
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