Growth of grain boundaries in live fish.

For images immediately after photoconversion, we measure how much the row orientation rotates at the retinal margin (see Statistical significance of growing grain boundaries in live fish). Although we define a grain boundary based on a rotation of the row orientation by twelve degrees or more, for the sake of completeness, this table lists all cases with a rotation of the row orientation of ten degrees or more. (See S4 Table for the effect of changing this angle cutoff.) For each of these cases, we count the number of defects in the corresponding grain boundary at the time of photoconversion and the number of defects added to the grain boundary by the time of later imaging. Though we photoconverted one region per fish, that region sometimes neighbors two grain boundaries, allowing us to measure growth of two grain boundaries in the same fish (e.g., 4–1 and 4–2). Fig 5D and 5D’ show grain boundary 3.