Flatfish
Flatfish
Flatfish (/ˈflætfɪʃ/; from Old English flætte, meaning 'flat') are a group of fish species. They are found in oceans worldwide, ranging from the Arctic to the Antarctic regions. Flatfish are unique for their asymmetrical body shape with both eyes located on one side of the head.
Etymology
The term "flatfish" is derived from Old English flætte, meaning 'flat', referring to the flattened body shape of these species. The term was first recorded in English in the 14th century.
Anatomy
Flatfish have a unique anatomy that sets them apart from most other fish. They begin life as bilaterally symmetrical larvae with an eye on each side of their head. However, as they mature, one eye migrates to the other side, resulting in both eyes being located on the same side of the head. This adaptation allows them to lie flat on the ocean floor while keeping both eyes on the lookout for predators and prey.
Species
There are more than 700 species of flatfish, grouped into several families. Some of the most well-known include the halibut, flounder, turbot, and sole.
Diet
Flatfish are carnivorous, feeding on a diet of smaller fish, crustaceans, and other marine organisms. Their unique body shape and coloration provide excellent camouflage, allowing them to ambush their prey.
Commercial Importance
Many species of flatfish are important for commercial fishing and aquaculture. They are prized for their delicate flavor and low-fat, high-protein flesh. Some species, like the halibut and flounder, are also popular in recreational fishing.
External links
- Medical encyclopedia article on Flatfish
- Wikipedia's article - Flatfish
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