The infamous box jellyfish developed its frighteningly powerful ... Their venom is considered to be among the most deadly in the world, containing toxins that attack the heart, nervous system ...

The salmon were severely injured in the attacks (Picture: SWNS) A jellyfish species has left over 200,000 salmon in Scotland dead in what is believed to be the single worst incident of its type.

Some jellyfish species can regenerate body parts or revert to an earlier life stage, granting them potential biological ...

Scientists have uncovered a key mechanism in jellyfish embryos that provides new insights into how the body plan of these ...