The infamous box jellyfish developed its frighteningly ... They are pale blue and transparent in color and get their name from the cube-like shape of their bell. Up to 15 tentacles grow from ...

although most are transparent to some degree. The shape of their body may also vary somewhat, from round to almost square, as is the case with the very dangerous box jellyfish. A good number of ...

Jellyfish can produce offspring both sexually ... Beroe abyssicola, 4.7 inches long Aequorea victoria. Transparent and colorless most of the time, the crystal jelly can also light up like a ...

Jiggly, colorful, and vaguely transparent, jellyfish are a fan favorite at any aquarium - not to mention they make a fantastic screensaver. The invertebrate is so popular, there's an entire day ...