English: Example of an Aeromonas collapse event during Vibrio challenge. Time-series is of maximum intensity projections of images taken from the same larval zebrafish shown in Fig 3A. The fish was initially colonized at 4 dpf with Aeromonas (magenta), challenged 24 hr later by inoculation with Vibrio (cyan), and then imaged every 20 min for 14 hr. Times indicate hours post-challenge. The region shown spans about 80% of the intestine, with the anterior on the left. Image contrast in both color channels is enhanced for clarity. Yellow dotted line roughly indicates the lumenal boundary of the intestine; the two bacterial fluorescence channels are overlaid inside this region. Scale bar: 200 μm.