Black cod, also known as sablefish, is a deep-sea fish found in the North Pacific Ocean. It is prized for its rich, buttery flavor and high oil content, making it a popular choice in various cuisines, particularly in Japanese dishes like miso black cod. This fish has a dark, blackish-brown skin and a white, flaky flesh. Black cod is often used in grilling, smoking, or baking, and is known for its health benefits, including high levels of omega-3 fatty acids, which are beneficial for heart health.