Hear Helen Sköld in the clip above.
Fish and other sea creatures that live near the clay plains on the seabed often run the risk of catching up when the bottom is trawled in search of fish.
By-catch must be sorted out immediately and released back, and this is exactly what Havets Hus thinks has been done with a large number of sharks and rays in Lysekil's harbor.
- It is very sad but it is probably not the first time, says Helen Sköld, aquarium manager at Havets Hus.
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Large number of protected sharks dead on the bottom in Lysekil harbor Photo: Tobias Dahlin