The cynomolgus monkey, scientifically known as Macaca fascicularis, is a primate species that belongs to the Old World monkey family, Cercopithecidae. They are native to Southeast Asia, specifically found in regions such as Indonesia, Thailand, Malaysia, and the Philippines.
Cynomolgus monkeys are medium-sized, with an average height of 40 to 60 centimeters and a weight ranging from 4 to 10 kilograms. They exhibit a slender body frame, a long tail, and a hair coat that is often brownish-gray, although color variations can occur. These monkeys are highly adaptable and can thrive in various habitats, including rainforests, mangroves, and coastal regions.
Known for their social and intelligent nature, cynomolgus monkeys live in hierarchical groups consisting of females, males, and their offspring. They have a rich repertoire of vocalizations and facial expressions, which they utilize for communication purposes within their social groups.
Due to their physiological and genetic similarities to humans, cynomolgus monkeys are extensively used as animal models in biomedical and behavioral research. They have contributed significantly to advancements in various scientific studies, including vaccine development, drug discovery, and understanding of neurologic disorders.
Furthermore, cynomolgus monkeys play a crucial role in toxicology testing, where their physiological responses to substances help gauge potential risks to human health. However, despite being valuable research subjects, conservation efforts are necessary as their population continues to face threats from habitat loss, hunting, and the wildlife trade.
Overall, the cynomolgus monkey is a primate species with distinct characteristics and important contributions to both scientific research and Southeast Asian ecosystems.
