So cute! Pencils with teeth: meet the tiny cookiecutter shark that attacked a catamaran off Cairns
These parasitic sharks glow in the dark and are known to have a go at anything they come across, despite their small size 

https://www.theguardian.com/environment/2023/sep/07/cookiecutter-sharks-what-are-cairns-catamaran-attack

https://files.mastodon.social/media_attachments/files/111/026/904/311/935/540/original/62375b6370ee92b9.jpeg