Cardinal Tetra The cardinal tetra is a small South American fish known for its iridescent blue stripe and bright red body band. Read more
Green Vine Snake Venom: Fangs at the Back of the Mouth The green vine snake (Ahaetulla nasuta) has venom-delivering fangs positioned toward the back of its upper jaw. Read more
Leopard gecko eyelid The leopard gecko belongs to the eyelid geckos and can blink thanks to its movable eyelids. Read more