The many-ribbed jellyfish can grow up to seven inches across and has delicate tentacles surrounding its bell. On the ...

Beroe abyssicola, 4.7 inches long Aequorea victoria. Transparent and colorless most of the time, the crystal jelly can also light up like a firefly—to what end isn’t certain. The genes ...

Each will take a third of the prize. GFP was first observed in 1962, in the crystal jellyfish which drifts with the currents off the west coast of North America. Since then, the protein has become ...

The most commonly spotted were the huge barrel jellyfish - but rarer warm-water crystal jellyfish were also seen. The barrel, or “dustbin-lid”, jellyfish can grow to more than one meter in ...