The platypus is a unique mammal known for laying eggs like a reptile, producing milk like a mammal, and swimming like a fish.It has characteristics such as a toothless mouth, a duck's beak, a beaver's tail, and the fur of an otter, making it a fascinating blend of features.Platypuses measure 12 to 25 inches in length, with females being slightly smaller, and weigh around 3.3 to 5.5 pounds.They are excellent swimmers adapted for aquatic life, with waterproof fur that aids in insulation and buoyancy.Platypuses use their webbed feet and beaver-like tail for locomotion and have a highly sensitive beak for detecting prey underwater.Their beak acts as a sensory organ, sensitive to chemical changes and electrical currents in the water, aiding in navigation.Platypuses possess electrolocation, a unique ability to detect electrical fields, revealing the presence of prey or predators underwater.Male platypuses are venomous, with spurs that can deliver a painful and swelling venom, primarily used during the breeding season.Platypuses exhibit biofluorescence, glowing blue-green under ultraviolet light, possibly for communication, camouflage, or deterring predators.These creatures lack a stomach and have adapted to intestinal digestion, feeding on aquatic invertebrates and storing prey in cheek pouches.