Freshwater drum (Aplodinotus grunniens) is a freshwater species recorded in the United States. It is found at depths of ≥ 30 m.
Scientific name: Aplodinotus grunniens · Water: Freshwater
Size: up to 95 cm
The freshwater drum is a demersal sciaenid that occurs on the bottoms of medium to large rivers and lakes, recorded from 30 m downwards, with no maximum depth recorded for it. Adults feed on aquatic insect immatures such as mayflies of the genus Hexagenia, on amphipods, on fish especially shad and young drum, on crayfish and on mollusks; the larval stages of the drum consume the larvae of other fishes while young fishes use zooplankton. It is known to produce sound, and its L-shaped otoliths are collected as lucky stones. Maximum length is about 95 cm total length, commonly about 45 cm, and it can live 13 years. It is a minor commercial species and a gamefish, utilized fresh, with a medium price category. Fishing vulnerability is moderate at 42 of 100 and resilience medium. IUCN lists it as least concern.
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