Antimicrobial peptide. Has strong antibacterial activity against the Gram-positive bacterium C.glutamicum (MIC=0.4 uM) and the Gram-negative bacterium E.coli (MIC=12.5 uM). Has weak antibacterial activity against the Gram-positive bacterium S.aureus (MIC>50 uM) and the Gram-negative bacterium P.aeruginosa (MIC>50 uM). Has antifungal activity against S.cerevisiae (MIC=12.5) and C.albicans (MIC=6.3 uM). Has weak antifungal activity against the mold B.cinerea. Presents chitin-binding activity. Strongly expressed in hemocytes, with weaker expression in gills and epidermis. Expressed at low levels in hepatopancreas.