Animal behaviour and survival.
To most of us a strip of seashore may seem a barren, unlived-in place; but to someone with the time and the skill to see, grubbing under rocks and through tide pools can turn up a host of weird and wonderful creatures.
From the underwater world of a Cornish beach the magnifying camera lens brings out the grace and beauty of creatures that we usually pass over as inanimate sand grains.
(from Bristol)