Скачать или смотреть Why Do Shark Eggs Look So Weird?

A shark’s egg is no ordinary egg. Usually, when referring to an egg, we think of an oval-shaped object laid by female birds or reptiles that may contain a developing embryo. But sharks lay an unusual-looking “egg” in the ocean. Some look like a mermaid’s purse, while others resemble a spiral conch shell.

Apart from being an aesthetic shape, the eggs’ peculiar shape has a functional role. They have functions such as attaching the egg to seaweed, between rocks or in the sea bed, and protecting the baby shark from danger.

#sharkegg #mermaidpurse #sharkresearch

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References:
https://doi.org/10.1371/journal.pone....
https://doi.org/10.4236/ns.2021.134012
https://doi.org/10.2307/1538909
https://open.library.ubc.ca/media/dow...
https://www.floridamuseum.ufl.edu/dis...
https://www.nhm.ac.uk/discover/do-sha...
https://doi.org/10.1021/acs.nanolett....

Original Article Link:
https://www.scienceabc.com/nature/ani...

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