Seafood
Seafood
Seafood (/ˈsiːfuːd/), from the Old English word sǣfōda, is any form of sea life regarded as food by humans. Seafood prominently includes fish and shellfish. Shellfish include various species of molluscs, crustaceans, and echinoderms. Historically, sea mammals such as whales and dolphins have been consumed as food, though that happens to a lesser extent in modern times.
Etymology
The term "seafood" is derived from the Old English word sǣfōda. The word sǣ means sea, and fōda means food. Thus, the term literally translates to "food from the sea."
Types of Seafood
Seafood is classified into two main groups: Fish and Shellfish. Fish include species such as salmon, tuna, and cod. Shellfish is further divided into molluscs, crustaceans, and echinoderms. Molluscs include species like oysters, clams, and squid. Crustaceans include species like lobster, shrimp, and crabs. Echinoderms are less commonly consumed and include species like sea urchins and sea cucumbers.
Health Benefits
Seafood is known for its health benefits, as it is a rich source of protein, vitamins, and minerals. It is also a primary source of omega-3 fatty acids, which are essential for brain function and development.
Risks and Controversies
Despite its health benefits, seafood consumption also carries risks. These include the risk of foodborne illnesses and the presence of environmental toxins in seafood. Overfishing and the environmental impact of fishing practices are also significant concerns.
See Also
External links
- Medical encyclopedia article on Seafood
- Wikipedia's article - Seafood
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