The Zadar dice snake (Natrix tessellatus flavescens) is endemic to the Zadar lake region in Croatia. Classified as non-venomous, they producesa potent antihemorrhagin and has been said to produce a neurotoxin through a gland in its mouth.As a defense it spreads a very bad smelling secretion from its cloaca. Another defence mechanism is thanatosis, meaning playing dead...