The objective of this paper was to develop a continuous-time probabilistic simulation model which depicts salient features of the TFS. Simulation has been defined by Minsky (1986) as a situation in which one system mimics the behavior of another. in principle, a modern computer can be used to simulate any other kind of machine, physical or biological. The ability to ever know the true underlying answers about fish populations in the tropical fishery system are extremely limited or nonexistent. Thus it is critical to have simulations as "known systems" against which to test methodologies. This approach represents the most logical avenue to system validation.