Known age, pond-spawned Gray Redhorse (Moxostoma congestum) length data

This dataset comprises 20 records of length and weight measurements from juvenile Gray Redhorse (Moxostoma congestum) derived from Colorado River, Texas parentage. These individuals were spawned in April 2021 and measured at the time of sacrifice in July 2022. Each record reports common name, scientific name, total length in millimeters, weight in kilograms, sex and maturity stage, spawning date, sacrifice date, and parentage origin.