Seafood mislabelling is caused by eating certain reef fishes whose flesh is contaminated with toxins. The CDC states the following about Ciguatera: Ciguatera fish poisoning (or ciguatera) is an illness caused by eating fish that contain toxins produced by a marine microalgae called "Gambierdiscus toxicus". People who have ciguatera may experience nausea, vomiting, and neurologic symptoms such as tingling fingers or toes. They also may find that cold things feel hot and hot things feel cold. Ciguatera has no cure. Symptoms usually go away in days or weeks but can last for years. Because the toxins are very heat-resistant, consumers cannot protect
Vibrio parahaemolyticus contaminated with "V. parahaemolyticus", which is associated with warmer waters from the Gulf of Mexico moving northward. Additionally, swimming or working in affected areas can lead to infections of the eyes, ears, or open cuts and wounds. Following Hurricane Katrina, 22 wounds were infected with "Vibrio", three of which were caused by "V. parahaemolyticus", and two of these led to death. Hosts of "V. parahaemolyticus" include: Vibrio parahaemolyticus Vibrio parahaemolyticus is a curved, rod-shaped, Gram-negative bacterium found in brackish, saltwater, which, when ingested, causes gastrointestinal illness in humans. "V. parahaemolyticus" is oxidase positive, facultatively aerobic, and does not form spores.