Release and recovery data from brown and white shrimp mark-recapture studies in the northern Gulf of Mexico May 1967 - November 1967.

During seven mark-recapture studies conducted in the northern Gulf of Mexico during the period May 1967 to November 1969, personnel at the Galveston Laboratory released 75,947 brown shrimp (Penaeus aztecus) and 38,628 white shrimp (Penaeus setiferus) marked with biological stains, flourescent pigments, and plastic tags. Recovery of 6,192 brown shrimp and 917 white shrimp, provided data on growth, mortality, migration, and distribution by area and depth. Data for individual recoveries and other pertinent information are summarized in this report.