Fig. 1: Characterization of body color changes in the GRZ killifish during physiological aging.
From: Nothobranchius furzeri: a vertebrate model for studying cardiac aging and cellular senescence
a Representative images of young and aged male and female African turquoise killifish showing surface color changes during aging. Scale bar 1 cm. b, c Quantification of body coloration in 8-week-old and 16-week-old killifish. b Whole trunk RGB[R(0-255)] of male; c whole trunk RGB[R(0-255)] of Female; d Analysis of tail fin coloration in male killifish. Y-axis: Tail fin Lab[(b-area) pixels]. e Quantification of anal fin coloration in male killifish. Y-axis: Anal fin Lab [a-mean (−128,127)]. f, g Representative images of tail fin and anal fin. RGB and LAB color values were used for precise color analysis. Images were captured under standardized conditions to ensure consistency and minimize background interference. n = 7–9, One-way ANOVA, Tukey post hoc, *p < 0.05, **p < 0.01.
