The rough-skinned newt (Taricha granulosa) from North America and other members of its genus contain the neurotoxin tetrodotoxin (TTX), the most toxic non-protein substance known and almost identical to that produced by pufferfish.
ðə ɹˈʌfskˈɪnd nˈuːt tˈæɹɪtʃə ɡɹˌænuːlˈoʊsə fɹʌm nˈɔːɹθ ɐmˈɛɹɪkə ænd ˈʌðɚ mˈɛmbɚz ʌv ɪts dʒˈɛnəs kəntˈeɪn ðə nˈʊɹɹoʊtˌɑːksɪn tˈɛtɹədˌɑːɾəksˌɪn tˌiːtˌiːˈɛks, ðə mˈoʊst tˈɑːksɪk nˈɑːnpɹˈoʊtiːn sˈʌbstəns nˈoʊn ænd ˈɔːlmoʊst aɪdˈɛntɪkəl tə ðæt pɹədˈuːst baɪ pˈʌfɚfɪʃ.