Fatty Acids in Waste Tissues: The Nutraceutical Value of Gonads and Livers from the Moroccan and Fishes.

Fishes are an important component of human nutrition, mainly acting as source of essential fatty acids in the prevention of cardiovascular disorders. The increase in their consumption has led to a growth of fishes waste; therefore, the disposal and recycling of waste has become a key issue to address, in accordance with circular economy principles. The Moroccan and fishes, living in freshwater and marine environments, were collected at mature and immature stages.