Age-0 sablefish size and growth indices from seabird diets at Middleton Island, Gulf of Alaska

First posted June 21, 2023 For additional information, contact: Director, Alaska Science CenterU.S. Geological Survey4210 University DriveAnchorage, 99508 Sablefish (Anoplopoma fimbria) is a commercially valuable groundfish species in Alaska, with the population assessed annually by National Oceanic and Atmospheric Administration Fisheries Center. recruit into fished at 2 years old are poorly sampled most surveys before that age. However, information on abundance, distribution, size of pre-recruitment age fish as an ecosystem indicator for older fish. Size index growth rate age-0 sablefish were quantified using samples from seabird diets Middleton Island, island northern Gulf Alaska. Age-0 may serve potential recruitment populations. This report (1) provides data collection 1978 to 2022, (2) describes method quantifying rate, (3) over time. An annual release U.S. Survey based continued collections be used assess status sablefish.