Abstract: The toxin content in various life cycle stages of tank-cultivated bullseye puffer (Sphoeroides annulatus) were analyzed by mouse bioassay and ESI-MS spectrometry analysis. The presence of toxin content was determined in extracts of sperm, eggs, embryo, larvae, post-larvae, juvenile, pre-adult, and adult fish, as well as in food items used during the cultivation of the species. Our findings show that only the muscle of juveniles, the viscera of pre-adults, and muscle, liver, and gonad of adult specimens were slightly toxic ( < 1 mouse unit). Thus, cultivated S. annulatus, as occurs with other cultivated puffer fish species, does not represent a food safety risk to consumers. This is the first report of toxin analysis covering the complete life stages of a puffer fish under controlled conditions.
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Nuñez-Vazquez, E.J.; Garcia-Ortega, A.; Campa-Cordova, A.I.; de la Parra, I.A.; Ibarra-Martinez, L.; Heredia-Tapia, A.; Ochoa, J.L. Toxicity of Cultured Bullseye Puffer Fish Sphoeroides annulatus. Mar. Drugs 2012, 10, 329-339.
Nuñez-Vazquez EJ, Garcia-Ortega A, Campa-Cordova AI, de la Parra IA, Ibarra-Martinez L, Heredia-Tapia A, Ochoa JL. Toxicity of Cultured Bullseye Puffer Fish Sphoeroides annulatus. Marine Drugs. 2012; 10(2):329-339.
Nuñez-Vazquez, Erick J.; Garcia-Ortega, Armando; Campa-Cordova, Angel I.; de la Parra, Isabel Abdo; Ibarra-Martinez, Lilia; Heredia-Tapia, Alejandra; Ochoa, Jose L. 2012. "Toxicity of Cultured Bullseye Puffer Fish Sphoeroides annulatus." Mar. Drugs 10, no. 2: 329-339.