To Buy: 
Mahi - mahi can be purchased as fillets and cutlets. Look for flesh that is pink-white in colour and fairly soft. It should be bright and lustrous in colour, free of discolouration, with a pleasant fresh sea smell.
To Store: 
Wrap fillets or cutlets well in plastic wrap or place in an airtight container.  Store in the refrigerator for up to 3 days or you can freeze for up to 3 months. 
Tips & Tricks: 
Fillets should be skinned prior to cooking. 
Cooking Tips: 
Mahi mahi lends itself well to barbecuing, grilling, baking, steaming and pan-frying. This is tasty fish that can tolerate more robust flavour. Avoid overcooking.