Brevetoxin is primarily associated with which food type?

Brevetoxin is primarily associated with clams, mussels, and oysters because these shellfish are filter feeders that can accumulate the toxins produced by certain species of algae, particularly Karenia brevis. When harmful algal blooms occur, known as red tides, the shellfish can become contaminated with brevetoxins. Consumption of these contaminated shellfish can lead to neurotoxic shellfish poisoning, which is a serious health risk.

The other food types listed are not typically associated with brevetoxin. For instance, crustaceans and fish do not accumulate this specific toxin in the same way as clams, mussels, and oysters. Fruits and vegetables are not relevant to this toxin, as they do not interact with marine toxins in the same context as shellfish do. Therefore, clams, mussels, and oysters are the correct association for brevetoxin.