This report includes a brief description of the purposes and functions of the Texas A&M University Systematic Collection of Marine Organisms, a listing of the sources and general localities from which most of the fish specimens were obtained, and a detailed list of species in the collection by scientific and common names presented phylogenetically by families. In addition, a detailed alphabetical listing of scientific and common names is given in the index for convenient reference. A total of 521 species of marine fishes from 114 families are listed which were collected in the Gulf of Mexico and Caribbean Sea from shallow water to abyssal depths.