Box and whisker plots of the length of Arctic cod by 20-m deep intervals in different ice concentrations. Box and whisker plots of the length on a log₁₀-based scale measured as target strength (TS, top x-axis) of targets detected at 38 kHz. The black vertical line in the box is the median, the left and right boundaries of the box are the 25 and 75 percentiles, and the whiskers are the minimum and maximum values. The bottom x-axis provides the estimated standard length (SL) of Arctic cod based on TS (TS = 14.33 log₁₀ [SL]–65.13; Geoffroy et al., 2016). Values for n are the number of targets detected. Size range corresponding to age-0, age-1 and age-2 are presented. DOI: https://doi.org/10.1525/elementa.339.f5