salmon is fairly low in calories. A 3.5-ounce (100-gram) serving of farmed salmon has only 206 calories, and wild salmon has even fewer at 182 calories ( 1 , 2 ). Consuming salmon may help you manage your weight by reducing your appetite, temporarily boosting your metabolism, and decreasing belly fat.

To follow this diet, you should eat only tuna and water for three consecutive days. The tuna must be plain — without oil,

mild flavor and impressive nutrient profile (including vitamins B12 and B6), cod makes an excellent addition to any weight-loss meal plan.

Is pickled herring good for weight loss? A 3.5-ounce serving of pickled herring clocks in at 262 calories with 18 grams of fat (via Livestrong).

Mackerel is high in protein and provides omega-3 fatty acids. The mild taste makes this a great addition to your diet if you want to include more fish in your diet

sardines are high in omega-3 fatty acids, which are commonly referred to as “healthy fats.”2 A serving of 5 small sardines canned in oil has 7 grams of total fat.

3 ounces of cooked haddock, you'll get just 77 calories, making it a very low-calorie choice for protein.

A 3-ounce serving of rainbow trout gives you 20 grams of protein for just 143 calories. That's 40 percent of the daily value (DV) for protein on a 2,000-calorie regimen

Not only is bass a low-calorie food ideal for weight management, but it is also rich in quality protein. A protein-rich diet helps build and preserve muscle