Several of the larger species of fishes found on the unique patch reefs of south Florida were trapped and tagged over a one-year period. Many of these were recaptured, some as many as 10 to 41 times, and almost invariably on their home reefs (point of initial capture). In repeated recaptures of the same individual we suspect trap conditioning, but even so we conclude that the species was restricted to its home reef. Transplants of small numbers of white grunts indicated a tendency to home. Tenacity of home reef occupation was also indicated by lack of displacement of tagged fishes by a severe hurricane which occurred during the study. There are indications that entrance of fishes into the traps was sea- sonally affected, with the most activity occurring in the warm months. We do not know if decreased numbers of fishes or a change in behavior, or both, accounted for this seasonality, but in at least one instance (gray angelfish) the species appeared to be relatively abundant during all sea- sons, while in another (white grunt) there appeared to be a decrease in numbers (as determined from another study conducted contempo- raneously).