13Shell identification from shape, opening, and pattern
Identify shells from shape and pattern.
Photograph the opening, apex, side profile, pattern, and scale. With Shellr, you can compare the likely shell and learn about the animal that built it.
- Show
- Opening + apex
- Add
- Profile + scale
- Keep
- Beach + tide
How You Identify Seashells
Take 3 clear steps. Compare the result yourself.
Use clear evidence, then check the visible clues against the likely match.
Check for a living animal
Leave occupied shells where you found them and photograph without disturbing the animal.
Turn the shell
Show the opening, apex or hinge, profile, pattern, surface, and scale under soft light.
Keep the shoreline
Save the beach, region, habitat, and tide context with your record.
Explore the App
See exactly what you can review in Shellr AI: Seashell ID.
Choose a screen. Review the match, save your find, compare nearby results, map it, ask a question, or practise.

Check for a Living Animal
Return occupied shells and follow local collecting rules.
Photograph living shells without removing the animal. Ask local wildlife or park authorities about protected species and collection limits.Shellr FAQ
Get answers before you identify your next seashell.
01How can I identify a seashell with Shellr?
Photograph the opening, apex, side profile, pattern, and scale. With Shellr, you can compare the likely shell and learn about the animal that built it. Treat the candidate as a starting point and compare the visible evidence before you rely on the name.
Read the full guide02Can I download Shellr for free?
You can download Shellr for free. The current App Store description says you need a paid subscription to use its features. Check the listing for current plans before you subscribe.
03What should I photograph for a better seashell identification?
Leave occupied shells where you found them and photograph without disturbing the animal. Show the opening, apex or hinge, profile, pattern, surface, and scale under soft light. Save the beach, region, habitat, and tide context with your record. Keep the original photographs so you can compare the likely candidate with a trusted regional source or qualified expert.
Read the full guide04How much confidence should I place in a Shellr result?
You won’t find a verified universal accuracy percentage in the current App Store listing. Your framing, lighting, visible details, and location can change the result. Use confidence to judge uncertainty, then compare the visible evidence yourself.
Ready to Try Shellr?
