Fish kill dead zones in the gulf are mainly created by the nitrogen and phosphorus enrichment of the Lower Mississippi River. Some species of fish exhibit mass simultaneous mortality as part of their natural life cycle. Fish kill due to spawning fatalities can occur when fish are exhausted from spawning activities such as courtship, nest building, and the release of eggs or milt (sperm). Fish are generally weaker after spawning and are less resilient than usual to smaller changes in the environment. Examples include the Atlantic salmon and the Sockeye salmon where many of the females routinely die immediately after spawning. A
Fried fish fishcakes made of cod (and other white fish, such as haddock or whiting) are a widely available in the frozen food sections of U.S. grocery stores. Fast food restaurants use fried fishcake in sandwiches like the Filet-O-Fish offered by McDonald's. Long John Silver's, Skipper's, Captain D's, and Arthur Treacher's are well-known North American chain restaurants that serve fried fish as their main food offering. Catfish are also a prevalent farm-raised type of fish that is often served fried throughout the world. A classic fried fish recipe from France is the "Sole meunière". Community fish fries are popular in the southern