Blue sea slugs were believed to prey on the Portuguese man-of-war, which contains highly poisonous nematocysts, and uses the nematocysts for defense by incorporating them into the tips of its lateral ...

Glaucus atlanticus - also known as the sea swallow, blue angel or blue dragon - looks especially ... This is probably to ensure that the slug has maximum power when stinging its own predators. A ...

The sea angel is a sea slug… but one that took a rather different ... this is becoming increasingly difficult to predict. When predator and prey finally coincided, and in reasonable numbers ...

The mysterious creature also hides from predators in plain sight, taking advantage of its transparent body. If it feels ...