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

Elusive glass octopus spotted in the remote Pacific Ocean (Video)

Only its eyes, optic nerve and digestive tract are opaque.

Live Science
@wonderofscience Hope there’s no rabbitfish that sees that carrot 😬