ハナマルユキは、最も普通に見られる種です。しかし、この個体の ように殻の一部が赤くなったものは珍しいと思います。
Red color caputserpentis is very rare.

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奄美大島産のメダカラです。メダカラもオミナエシダカラと同様千 葉、神奈川の様な緯度の高いところに多く、沖縄などの暖かい海に は少ない傾向があります。奄美大島でも、数は多くはありません。
These Cyp. gracilis are shoot at Amami Ooshima Japan. This species are dominant at northern area. But warm sea like Amami Ooshima rather few.

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シボリダカラの外套膜もユニークで、まるでイソギンチャクかウニ の様です。
Mantle of C. limacina is also unique. It's like a sea anemone or some kind of sea urchin.

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Two rather different varieties of cowry in the same holding tank; the comparison is fairly straightforward. (11/24 = 8)

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Live-taken on a night dive. Several other cowries were also captured, including a "crossbreed" nucleus-granulata (see other video). Find its stats (TER667) in the online visual database at http://cowrys.org (11/24 = 56)

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Once the smaller Cypraea teres had left, 'Raging Bull' continued to 'lash out.' No aggression is shown toward the C. fimbriata in the corner, so... was it angry, perplexed, or... What?? (11/24 = 33)

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