@iflscience: These elusive big fin squids are exceptionally difficult to come across – just a few dozen recorded sightings have ever been made. This is also the first footage of a Winteria telescopa alive in their natural environment. This deep-sea barreleye fish is famous for their translucent head and tubular eyes. Link in bio to find out more 🔗 Credit: Footage via Schmidt Ocean Institute - @schmidtocean