Seven field stations and one research lab are strategically located near different estuarine systems from Port Arthur to Brownsville. They monitor marine species with sampling gear designed to catch all important fish and crustacean species. Recreational and commercial fishermen are interviewed in order to monitor what resources are being taken from each bay. These data provide information on abundance of species and fishing pressure on important marine species exerted by recreational and commercial fishermen. Based upon TPWD sampling data, many species are afforded protection from overharvest through size, bag, and possession limits that ensure long-term viability of finfish and shellfish resources.
Red drum is probably the best example of successful fishery management in Texas marine waters.
Texas began an aggressive management approach to red drum in the mid-seventies, when rapidly increasing commercial landings and TPWD resource data indicated that coastal red drum stocks were in trouble. In 1981 red drum were designated gamefish, their sale in Texas was prohibited, and severe restrictions were placed on recreational fishermen as well. This aggressive management, in addition to stocking, has been instrumental in rebuilding populations. Enhancement, or stocking, is an integral part of coastal fisheries management. The three Texas marine fish hatcheries that provide fingerlings for stocking are located at Corpus Christi, Palacios, and Lake Jackson.