Abstract
Toxicities and tetrodotoxin distribution in tissues of five puffer fish species commonly found in the littoral of Baja California Peninsula, Mexico ( Sphoeroides annulatus, S. lobatus, S. lispus, Arothron meleagris and Canthigaster punctatissima) were evaluated by bioassay and HPLC. The toxicities estimated as tetrodotoxin-equivalents of all species were more than 0.42 μg/g in at least one of the tissues tested, and the highest was found in S. lispus liver (130 μg/g).
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