“…Histamine-producing microorganisms in fish are varied, including species of the genera Streptococcus spp., Clostridium spp., Tetragenococcus spp., Bacillus spp., Acinetobacter spp., and Pseudomonas spp. Some enterobacteria considered indicators of food hygiene are Citrobacter spp., Serratia spp., Hafnia spp., Vibrio spp., Escherichia spp., Edwarsiella spp., Klepsiella spp., Salmonella spp., Shigella spp., Photobacterium spp., Enterobacter spp., Plesiomonas spp., Proteus spp., and Morganella, with the species M. morganii considered the main producer [26,32,53,[57][58][59][60][61][62][63].…”