A closeup shot of a glowing blue jellyfish in black water. One species stands out for its extraordinary ability: Turritopsis dohrnii, also known as the immortal jellyfish. This fingernail-sized ...

Richard Shucksmith's "Jellyfish in the Blue Sea of Sula Sgier" won the top ... said it was a "truly beautiful shot" taken in UK waters. He said it perfectly captured "iridescent colours and ...