Deep in the ocean's twilight zone, 600 to 800 meters (2,000 to 2,600 feet) beneath the surface, the barreleye fish (Macropinna microstoma) spots its prey above using upward-looking eyes through its transparent head.

[📹 MBARI]

https://video.nostr.build/6874f64ed8b4393df0c767ae4f17465b56192b56d9d68040310a7d4d4735fd75.mp4