A study of commercial shrimp, rock shrimp, and potential commercial finfish.




Bryan, C.E. III

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Texas Parks Wildlife Department, and National Marine Fisheries Service.


In recent years commercial interest has increased in the use of the rock shrimp (Sicyonia brevirostris) as a new food resource. Samples were taken with otter trawls in the Gulf of Mexico from Port Isabel to Galveston to locate rock shrimp, delineate their areas of abundance and evaluate their commercial potential in Texas. White shrimp (Penaeus setiferus) were sampled in Gulf waters of the Texas coast to determine their spawning grounds, the percentage of gravid females in the population and whether discrete spawning populations exist. Data were obtained on seasonal abundance, sizes and the effect of temperatures on spawning and movements. Samples were taken in the brown shrimp (Penaeus aztecus) fishery to provide more information on the discarding of shrimp and associated organisms. The top five species by weight in the total catches were brown shrimp, lesser blue crab, Atlantic croaker, Gulf butterfish, and shoal flounder.


85 p.


shrimp fisheries, finfish fisheries, commercial species, rock shrimp, Sicyonia brevirostris, penaeid shrimp, brown shrimp, Penaeus aztecus, white shrimp, Penaeus setiferus