What We Do Citizen Science Great Eggcase Hunt British Isles & NW Europe SPOTTED RAY (Raja montagui) Size:Maximum Eggcase Length: ~12cm (ranges from 10–15cm)Eggcase Length (without horns): ~5.5cm (ranges from 5-7.5cm)Maximum Eggcase Width (with keels): ~3.5cm (ranges from 3–3.5cm)Range: The Spotted Ray is widely distributed in the Northeast Atlantic from the Shetland Isles and Norway (including the western Baltic Sea and North Sea) to Morocco. Present in the Mediterranean Sea and around the Canary Islands. Similar Eggcase: The Undulate Ray eggcase is a similar shape. But the Spotted Ray is smaller, usually has fewer attachment fibres, and is more widespread around the British coastline. Great Eggcase Hunt Records: Eggcases have been submitted from around most of the British coastline.