20 underwater photos that illuminate creatures dwelling in the dark depths

Underwater photography is no easy feat, especially in the dark. But the photographers featured in the annual Underwater Photographer of the Year competition manage to illuminate the dark depths, uncovering just a skerrick of the creatures that dwell beneath the surface — one marine scientists admit we've "barely scratched." The UK-based competition has celebrated underwater photography since 1965, attracting photographers from all over the globe. There are 13 categories in the competition including macro, wide angle, portrait, behaviour, marine conservation, and wreck photography, and there are four that are specifically dedicated to British waters.  Read more...More about Underwater Photography, Science, and Animals