Rowan's Seaside Treasure
Tonna Tesselatta
Tonna Tesselatta
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The Tonna tessellata, also known as the spotted tun shell, is a sea snail shell with a distinctive shell that is white, smooth, and glossy with brown-red markings. Tonna tessellata shells are used in shell art, shellcraft, candles, and to make seashell ornaments and characters. These are D opening shells.
You will receive 1 shell per order.
Please be aware:
These shells are safe for Hermit Crabs.
Hermit Crab Opening Sizes:
Shell Opening Size in Inches |
Shell Length Size in Inches |
0.90- 1.00 |
1.00-1.50 |
1.01-1.25 |
1.50-2.00 |
1.26-1.50 |
2.50-3.00 |
1.51-1.75 |
3.00-3.50 |
Please reach out to us with any questions you may have.
We love talking about seashells and Hermit Crabs!


