Molecular evidence that the deadliest sea snake Enhydrina schistosa (Elapidae: Hydrophiinae) consists of two convergent species

► We present a striking case of phenotypic convergence within viviparous sea snakes. ► Enhydrina schistosa is distributed throughout the Asian and Australian seas. ► We analysed five independent mitochondrial and nuclear loci. ► Enhydrina schistosa consists of two independent lineages in Australia and Asia.