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Home > Invertebrates
> Slugs
> Bubbles > Hydatina physis
Updated 1/1/2026
Family
Aplustridae
CIRCUMTROPICAL / HAWAII
Hydatina physis

Mokapu,
Oahu
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Hawaii Island |

Hau'ula, Oahu |
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PAPER BUBBLE
| Uncommon in silty sand under rocks in shallow
water during winter months. The shell is
coated with a thin yellow periostracum. Shell attains 2.6 inches,
65 mm.
Worldwide in warm seas. |
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