Fourline Nudibranch

1. TankumseeIsenbüttel, GermanyShoreIntermediate+13 mBest May–Oct · estimated
2. SaltstraumenLøding, Nordland, NorwayAdvanced+12 m–30 mBest Jun–Sep · estimated7 mm / dry
3. Blinde DamOosterland, Zeeland, The NetherlandsShoreEstimated: Beginner-friendly18 mBest Jun–Oct · estimated5 mm
4. Le ponton de la bordelaiseSète, Hérault, FranceBeginner-friendlyBest Jun–Sep · estimated5 mm
5. KatedraleFlekkefjord, Vest-Agder, NorwayBeginner-friendlyBest Jun–Sep · estimated7 mm / dry
6. Zonneschijn ZuiveringsinstallatieOosterland, Zeeland, The NetherlandsEstimated: Intermediate+25 mBest Jun–Oct · estimated5 mm
7. Vivian QuarryLlanberis, Gwynedd, United KingdomBeginner-friendlyBest Jun–Oct · estimated7 mm / dry
8. KlinkenbergerplasWarmond, South Holland, The NetherlandsBest Jun–Oct · estimated5 mm
9. Tauchspot Glambecker SeeNeustrelitz, Mecklenburg-Western Pomerania, GermanyBest Jun–Sep · estimated5 mm
10. Dürener BadeseeDüren, North Rhine-Westphalia, GermanyBest Jun–Oct · estimated
11. Northeimer SeenplatteNortheim, Lower Saxony, GermanyBest Jun–Oct · estimated

Sources: Species occurrences: OBIS (CC BY 4.0), GBIF.org