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Search on population of sandhoppers Talorchestia deshayesii, was carried out on the beach in Jurata, Hel Peninsula, at the Puck Bay (SE part of the Baltic Sea). In 2000, 2001 and 2002 the samples were taken if possible from five places situated at different distances from the water line. It was noticed that there was tendency to variety of location of Talorchestia deshayesii, according to age (length) of invertebrates. Generally young animals (< 7 mm) gather closer to the water line, otherwise there is only a small percent of the young of the population in long distance from the water line.
Key words: Baltic Sea, sandy beach, Talitridae, Talorchestia deshayesii, water line, young sandhoppers