nudibranchs
Nudibranchs -- marine snails without shells -- make wonderful photo subjects for the macro photographer. They are small, colorful, and they move slowly (as snails are wont to do). That last characteristic is particularly welcome. Most fishes are in motion almost constantly, and non-sessile invertebrates tend to scurry hither and thither. It's nice to find a subject that is not only photogenic, but doesn't turn tail or flat out disappear before the photographer can focus the camera's lens!
It's always interesting to find out and record which critters feed on what. Here are some macro…