This method of protection can keep almost all predators at bay - but not the kaleidoscopically colourful sea slug. Nudibranchs ... Glaucus atlanticus - also known as the sea swallow, blue angel or ...

By Helen Sullivan Photographs by Michael Aw Imagine dragons—or go for a dive in the Pacific Ocean and keep an eye out for this astonishing two-inch sea slug ... The blue dragon has long talon ...

Beachgoers venturing out into the ocean should be cautious and aware of a small but dangerous sea creature that could be lurking – the blue sea dragon ... The sea slugs are known to lay nearly ...