Plots showing mass on the X axis and time taken for specimens to be fully stained on the Y axis, both log10 transformed. Points are colored by vertebrate group, including fishes amphibians, mammals, and reptiles. In the main (top) plot, reptiles that underwent a different staining treatment (turtles and crocodilians) are highlighted in different colors. The shape of the points shows the staining treatment used for that individual. Bottom plots show amphibians (left) and reptiles (right), highlighting different taxonomic groups.