Fatty salmon is known for its rich and buttery taste. According to a few sources, salmon has a mild yet slightly sweet flavor. The taste of salmon can vary depending on the species, farming method, cooking technique, and the time of year you enjoy it . Fresh raw salmon has a fishy and fatty taste which is a little bit buttery. If the salmon has a high fat content, it feels like it’s melting right in your mouth . In general, salmon is a mild-flavored fish with a rich and slightly oily taste to it.