Great Eggcase Hunt

Record your Eggcase

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
Seen developing underwater (e.g. while diving or snorkelling)

Start typing your location below and then select from the list. Move the marker to locate the area where you found your eggcase.

Specimen #1
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.

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Please ensure all (required) fields have been completed. If you have any problems recording your eggcase get in touch with us directly at