Here, we exploited the swimbladder candidiasis model to study NF-κB activity in vivo using the Tg(NFκB:EGFP) transgenic fish line, in which NF-κB activity drives expression of enhanced green fluorescent protein (EGFP) (Kanther et al., 2011). Here, NFKB1 is linked to Candidiasis, Invasive.