"Not garbage! Not an alien!" the Seaside Aquarium posted on Facebook recently. "It's a giant marine snail egg casing!" Fully grown, the Lewis' moon snail can grow up to 5.5 inches. The Washington ...

A snorkeler in Egypt's Red Sea had a near escape after encountering one of the most venomous animals on earth.

（图源：reddit） 撰文 | 苏澄宇 审校 | Skin ...

One type of this slug, the Pacific banana slug, can grow close to 10 inches in length and weigh a quarter of a pound. Like other land slugs and snails, banana slugs have a radula, which is rather like ...