• A new genus and species of snake from the Lost World (Guyana)

    A new genus and species of snake from the Lost World (Guyana)

    The Pantepui is a remote, biodiverse region made famous by Arthur Conan Doyle’s novel, The Lost World.  In a recent article, Kok and Means (2023) describe the new species, Paikwaophis kruki (Dipsadidae: Xenodontinae). It was recently collected in the Pantepui cloud forest that sits at the base of the steep cliffs of Roraima-tepui and Wei-Assipu-tepui…

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  • Venom in the Blunt-headed Treesnakes

    Venom in the Blunt-headed Treesnakes

    Biological specialization refers to the process by which organisms adapt to occupy specific ecological niches, reducing the available niche space and increasing the efficient utilization of resources. This specialization often occurs through natural selection, which drives phenotypic changes that align with the constraints of the niche.

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  • Hot snakes at hot springs

    Hot snakes at hot springs

    Hot-spring snakes of the genus Thermophis are unique – they are one of the few eastern hemisphere members of the family Dipsasidae – all of the others reside in the western hemisphere, and they are the only snakes that live at elevations up to 4900 m ASL. Living in such extreme habitats requires physical and…

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  • A new genus for the snake Erythrolamprus problematicus

    Arcanumophis problematicus from Santo Domingo, Peru. Photographs by A. Catenazzi. The snake Liophis problematicus was described as a new species by Myers in 1986. The holotype was collected at 1520 m on the Amazonian side of the Andes in the Department of Puno in extreme southeastern Peru. This is a very small snake, an adult male…

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