Figure 2

The behaviour displayed in the assays performed on caged goldfish from Cootes Paradise Marsh (CPM) and Jordan Harbour (JH) (n = 48, Bar = Mean response, Error Bars = 95% CI). Differences in unique squares occupied and latency to move after startle were assessed using linear models. The proportion of time in upper half was assessed using a beta regression, and activity (grid crosses) using negative binomial generalized linear models.