Rare footage of the glass octopus (Vitreledonella richardi), its translucent appearance helps it hide from predators.

Video credit: Schmidt Ocean Institute

Further reading: https://www.livescience.com/rare-glass-octopus-sighting.html

https://files.mastodon.social/media_attachments/files/110/287/252/848/710/681/original/6fefbaf208b7ca9b.mp4