Microsporum canis is a type of fungus that commonly causes skin infections in animals and humans. It is primarily known for causing ringworm, a contagious condition that leads to itchy, red, and scaly patches on the skin. This fungus is often found in cats and dogs, making them common carriers of the infection. Transmission of Microsporum canis occurs through direct contact with infected animals or contaminated surfaces, such as bedding or grooming tools. The fungus thrives in warm, humid environments, making it important to maintain good hygiene and cleanliness to prevent its spread. Treatment typically involves antifungal medications and proper care of the affected area.