Of 60 strains that exhibited histamine-degrading activity, HDS3-1 from 3-month fermented fish sauce exhibited the highest histamine-degrading activity followed by HDS1-1, HPC1-2, and HIS40-3, isolated from anchovy fish sauce fermented for 1 month, pla-ra (salt-fermented fish product of Thailand), and an anchovy fish sauce sample fermented for 40 days, respectively.