Residency and seasonal movements in Lutjanus argentiventris and Mycteroperca rosacea at Los Islotes Reserve, Gulf of California

influence the susceptibility of predators to exploitation or anthropogenic disturbance (Fahrig 2007), and may also alter distributions of prey items and competitors Unfortunately, patterns of movement remain poorly understood for a large number of species, many of which are exploited by commercial and recreational fisheries worldwide. Population declines have been reported for a number of these species (e.g. Lutjanus cyanopterus, Epine phelus stri -