FIG. 2 in Sex-Dependent Cold Tolerance at the Northern Invasive Range Limit of Gambusia affinis on Cape Cod, Massachusetts

FIG. 2. Estimated lower temperature of 50% loss of response to stimulus (LRT50) and 50% mortality (LT50) for male and female Gambusia affinis of various sizes from the Quashnet River, Massachusetts, USA. Thinner, lighter lines represent 6 one standard error. Note that estimates below 1.58C are extrapolations beyond the range of our data.