Stemcell Science Shop
Barreleye Enamel Pin (Macropinna microstoma)
Barreleye Enamel Pin (Macropinna microstoma)
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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.
Shipping
Shipping
USA DOMESTIC SHIPPING
We offer standard shipping (5–9 business days) on all U.S. orders.
CANADIAN SHIPPING
Orders within Canada typically arrive within 3–7 business days. Please note that depending on the product or supplier, customs or duties may apply.
INTERNATIONAL SHIPPING
We offer standard international shipping (2–6 weeks). Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility and may vary by country.
Hassle-Free Returns
Hassle-Free Returns
We hope you love what you ordered! If something isn’t quite right, whether it’s the size, color, or simply not what you expected, feel free to reach out.
Returns and exchanges are handled according to our policy, which may vary depending on the product. You can review all the details here.
If you have any concerns or would like to discuss an exchange, don’t hesitate to contact us, we’re happy to help.
Our goal is complete customer satisfaction.

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