As a culinary and nutritional expert with a passion for all things aquatic, I've spent a considerable amount of time studying the various types of fish that grace our tables. Fish are not only a staple in many diets around the world but also a source of essential nutrients like omega-3 fatty acids, protein, and vitamins. When it comes to the most popular fish to eat, the answer can vary greatly depending on geographical location, cultural preferences, and nutritional values.

Salmon is often considered one of the most popular fish globally. It's prized for its rich flavor, beautiful color, and high omega-3 content.
Tuna is another favorite, especially in sushi-loving cultures, known for its versatility and firm texture that holds up well in various cooking methods.
Cod is a staple in many Western countries due to its mild flavor and flaky texture, making it a go-to for fish and chips or in fish pies.

However, popularity isn't solely determined by taste and nutritional value.
Sustainability is a critical factor in today's world, where overfishing is a significant concern. Some species like Wild Atlantic Cod are more sustainable than others, making them a popular choice for environmentally conscious consumers.

It's important to note that while fish is generally beneficial for heart health, not all fish are created equal. Certain types like Spanish Mackerel, Eel, and Farmed Atlantic Salmon can contain higher levels of contaminants like mercury, which can be harmful to heart health.
Wild Freshwater Catfish and Flatfish like Flounder and Sole are also popular, but they may not always be the healthiest options due to factors like their habitat and diet.

When considering the **Least Nutritious And/Or Most Dangerous Fish**, it's crucial to look beyond the species and consider factors like the fish's diet, the water it lives in, and how it's farmed or caught. For instance, Light Canned Tuna in Water might be a convenient option, but it may not be as nutrient-dense as other types of fish due to its lower fat content, which is where many of the health benefits come from.

In conclusion, the most popular fish to eat can be a complex question to answer. It involves a balance of taste, nutritional value, sustainability, and health considerations. While salmon, tuna, and cod are popular choices, it's also essential to consider the source and preparation of the fish to ensure it's a healthy and sustainable option.

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And while fish is usually very good for your heart, find out the 30 Worst Foods For Your Heart!Category 1: The Least Nutritious And/Or Most Dangerous Fish.Spanish Mackerel.Eel.Farmed Atlantic Salmon.Wild Freshwater Catfish.Flatfish: Flounder and Sole.Light Canned Tuna in Water.Wild Atlantic Cod.More items...read more >>