Fish larvae samples and calculated abundance of fish larvae (sprat and sardine) per station, in the North Sea (2018-2020). Data was collected during the international trawl survey. More details can be found in the following article: Munk, P., Huwer, B., van Deurs, M., Kloppmann, M., Sell, A. (2024). Spatial separation of larval sprat (Sprattus sprattus) and sardine (Sardina pilchardus) related to hydrographical characteristics in the North Sea. Fisheries Oceanography, 33(1), e12656.