Abstract Developmental abnormalities in otoliths can impact growth and survival in teleost fishes. Here. we quantified the frequency and severity of developmental anomalies in otoliths of delta smelt (Hypomesus transpacificus). a critically endangered estuarine fish that is endemic to the San Francisco Estuary. https://allfixelectricales.shop/product-category/mini-turbohead-floor-nozzle/