Welcome to the Shark Trust’s Recording Hub

Record your Eggcase

Please select a language/region. The Great Eggcase Hunt is growing rapidly, and recording forms for more regions will be available soon. If you have found an eggcase outside one of these regions, please still log it using ‘Other’ and then include the eggcase species.

Complete the form below to record your eggcase(s)

If you're not sure about the species select 'don't know' in the species field and we'll identify this for you.

Contact Details

Organisation (if applicable)

Number of people searching

First Name

Last Name


United Kingdom




Found Underwater?





Date and Time


The species list is not exhaustive, and contains the most commonly found coastal egglaying species in the region. If your species is not included in the list, or if you are outside one of our focus regions, please select ‘Other’ and include which species you think the eggcase is from.



Unknown (Unknown)



Supporting Image(s)

Upload a photo of your eggcase against a scale (such as a ruler) to help us verify your finding and improve the quality of the data. If you prefer you can also email us a photo or send your eggcase to our office at the address below.

Allow Shark Trust To

The Shark Trust reserves the right to contact you about your submission. To opt in to receive project updates tick "Allow contact". See our website to subscribe to our Shark Trust newsletter.

use images associated with this sighting.
contact you regarding the Great Eggcase Hunt (incl. eggcase records).
contact you with regular email updates and marketing from the Shark Trust. We treat your information with respect. Read our Privacy Policy to find out more.
I agree that the Shark Trust may process my information in accordance with these terms

Please ensure that all (⭐️ required) fields have been completed. If you experience a problem submitting please record your error using our bug report form or contact us directly at enquiries@sharktrust.org.

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