Stable isotope ratios in eye lens tissues of individuals of three species of fish from the Matagorda Bay region of Texas in the northwestern Gulf of Mexico from 2021 to 2023

This dataset describes the stable isotope ratios in eye lens tissues of individuals of three fish species (Red Drum Sciaenops ocellatus, Southern Flounder Paralichthys lethostigma, and Atlantic Croaker Micropogonias undulatus) in the Matagorda Bay region of Texas in the northwestern Gulf of Mexico.