Reverse development, where some animals can turn back to earlier life stages ... For example, the “immortal jellyfish” Turritopsis dohrnii, one of the two other known examples of reverse ...

The ranking goes from least to most dangerous jellyfish. Read more: 13 Creatures To Beware Of When Adventuring In California's Deserts As its name suggests, the immortal jellyfish is, well ...

Essentially, when faced with stress, injury or old age, the immortal jellyfish can transform all of its existing cells into a younger state. This process, known as transdifferentiation ...

the medusae would fall to the bottom of the jar and transform into polyps without fertilisation or the typical larval stage occurring. The discovery, aided by the spectacular nickname 'immortal ...