Abstract Inducible phenotypic responses to environmental variation are ubiquitous across the tree of life. but it remains an open question whether amphibian chemical defense phenotypes are inducible. Tetrodotoxin (TTX) is a key chemical defense trait in North American and Eurasian newts (Salamandridae). We tested if TTX can be induced by exposing populations of adult and larval Califo... https://tonerparts.shop/product-category/maintenance-kit-fuser/