Nervous necrosis virus (NNV) is the etiological agent of viral encephalopathy and retinopathy in many fish species, including European sea bass ( Dicentrachus labrax ) and is of great economic losses to fish farmers. To solve this problem in fish production, antimicrobial peptides (AMPs) have been identified as potential candidates for NNV treatment in aquaculture. Hepcidin (Hamp) is one of the most promising AMPs. Thus, we ai...