Wendys Training Practice Test

Ciguatera toxin is commonly found in which type of fish?

1. Amberjack

2. Salmon

3. Tuna

4. Trout

The correct answer is: Amberjack

Ciguatera toxin is commonly associated with certain tropical and subtropical fish species, primarily those that are large, reef-dwelling predatory fish. Amberjack, being a reef fish, is particularly known to accumulate these toxins through the food chain. This happens because smaller fish consume algae that grow on reefs which may contain the dinoflagellate organisms producing the toxin. As larger fish like amberjack eat these smaller fish, the concentration of the toxin increases in their tissues. In contrast, the other types of fish listed, such as salmon, tuna, and trout, are typically not associated with ciguatera toxin. Salmon and trout are usually found in colder, freshwater habitats or marine environments that do not promote the growth of the organism related to ciguatera. While some species of tuna can inhabit tropical waters, they are also not commonly implicated in ciguatera outbreaks compared to amberjack. Therefore, the correct answer is based on the ecological characteristics and behaviors of these fish, with amberjack being a prime candidate for ciguatera toxin presence.