Pardaxin 1 is a membrane-lysing peptide originally isolated from the fish Pardachirus pavovinus (Peacock Sole). It was from Toxic Secretion (dorsal and anal fin glands). It is a potentially antimicrobial, antitumor peptide. The family Pardaxin contains 5 different peptides.
Olívia Candolo Cipolari, Xisto Antonio de Oliveira Neto, Katia Conceição, Fish bioactive peptides: A systematic review focused on sting and skin, Aquaculture, Volume 515, 2020, 734598, ISSN 0044-8486.