Pike and muskie are two similar-looking fish species that are often confused for each other due to their physical resemblance. However, there are distinct differences between the two. Pike, also known as northern pike, have dark markings on a lighter body and can grow up to 55 inches long. On the other hand, muskie, or muskellunge, have a more mottled pattern with dark spots on a lighter background and can grow even larger, up to 60 inches. Another key difference is their distribution; pike are more widespread across North America, Europe, and Asia, while muskie are primarily found in North America. Additionally, muskie are known for their aggressive behavior and are often considered a prized catch among anglers for their elusive nature and challenging fight, while pike are also sought after but generally more common in waters. Overall, while pike and muskie share similarities, their size, markings, distribution, and behavior set them apart as unique species in the world of fishing.