If you’ve ever thought, “I want a cartoonishly transparent-headed fish perched on my chest like some eerie sci‑fi sorcerer,” then Macropinna microstoma—better known as the barreleye—is basically your spirit animal. This deep‑sea oddity drifts between 400–800 meters beneath the waves, harboring a see‑through, liquid‑filled dome atop its head that houses tubular, swiveling eyes—basically a built-in spy periscope for spotting prey above, even when you can’t. Biologists finally saw it alive in action in 2004, and now you can wear its uncanny elegance without a submersible.

Specs:

• Premium metal base with polished hard enamel fill
• Secure clasp so your barreleye doesn’t “drift off”
• Size: 46.5 x 29mm
• Not actually optical—no spy cameras included

Perfect for marine biology nerds, deep-sea enthusiasts, or anyone who enjoys the rare combo of scientific accuracy and unsettling charm.