Photos of threespine stickleback Gasterosteus aculeatus from the subarctic White Sea and table datasets in CIELAB values used for studying coloration

This dataset includes photographs of threespine stickleback (Gasterosteus aculeatus L.) collected in 2021 and 2023, along with raw data tables containing CIELAB color space (L*, a*, b*) values, to study pre-spawning coloration.