How to Photograph Beach Finds for Identification

Good photographs give an identifier more evidence to work with. They cannot guarantee a species name, particularly when a find is worn or incomplete. Aim to make the object's shape, size and surviving details easy to inspect.

Start with the find in place

Take a context photograph before moving anything. Note the beach, date and whether the object lay in shell fragments, gravel or a wrack line. Leave wildlife, potentially occupied shells and objects you are not allowed to collect where they are.

For objects you can safely and lawfully handle, take the remaining views on a stable surface. Do not move a living animal to build a better photograph.

Use even light and a simple background

Try daylight in open shade. Place one find on a plain, neutral background with enough contrast to show its outline. Avoid casting your phone's shadow across it.

Tap to focus on the object. If the camera cannot focus that close, move back slightly and check the image at full size. Keep the complete outline in an overall photograph before taking detail shots.

Skip color filters, heavy sharpening and background effects that can blur an edge. Wet and dry surfaces can look different; record the condition rather than assuming a wet photograph shows the “true” color. Do not wet a fragile fossil for the picture.

Show the size

Put a ruler beside the object with the units visible, at approximately the same level as the part being measured. Record its length separately too. Keys vary in size, so they are a poor substitute.

The Natural History Museum of Los Angeles County's discovery guide recommends a scale, whole-object photographs, views from different directions and close-ups of interesting details.

Choose views that answer identification questions

Snail shells: Show the opening facing the camera, then the opposite side and spire. For coiling comparisons, keep the spire upward and do not mirror the image.

Bivalve shells: Photograph the outside and, when available without forcing the shell open, the inside and hinge.

Shark teeth: Photograph both broad faces with the entire crown and root visible. Add a side profile and a close-up of any surviving cutting-edge serrations.

Sea beans: Record both broad faces, the edge, and close-ups of the scar, seam or band. Our sea-bean guide shows which features are useful to compare.

Use the photographs as evidence

Keep the full set for your own notes or an expert, and choose a clear overall photograph when using an identification tool. Follow that tool's current upload options; a useful photo set does not imply that it accepts several images at once.

BeachNut's Photo ID explanation describes ranked candidates and evidence-based confidence. Compare the suggested features with your find and follow any retake advice. An uncertain result is a reason to gather another view, not to assume the first suggested name is correct.