geography cone; cone shell (Conus geographus)
A venomous sea snail with a cone-shaped shell, found in tropical Indo-Pacific waters. The Japanese name literally means 'potato shell'.
The geography cone is known for its potent venom.
I found a cone shell in the sea off Okinawa.
Katakana spelling is standard for this species name.
Kanji spelling exists but is rarely used; the word is usually written in kana.
From 芋 (いも, 'potato') + 貝 (がい, 'shellfish'), referring to the shell's potato-like shape.