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This is a pearlfish, they have a special relationship with sea cucumbers
— Science girl (@gunsnrosesgirl3) March 15, 2023
When they need shelter, they will often seek it up a sea cucumber's anus
📹 @Keeper90538583https://t.co/GwqV0YB5lV
*for water to reach …
— Science girl (@gunsnrosesgirl3) March 15, 2023
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weehingthong 