Animals, Océano Atlántico, Portugal, Atlantic Ocean, Chromatography, Liquid, Tandem Mass Spectrometry, Female, Male, Marine toxins, Chemical oceanography, Native puffer fish, Saxitoxin - isolation \& purification, STX, Tetraodontiformes, Tetrodotoxin - isolation \& purification, TTX
Océano Atlántico, Selvagens Islands, seafood safety, Gambierdiscus, ciguatera, ciguatoxins