Freshwater Drum

The Freshwater Drum, scientifically known as Aplodinotus grunniens, is a fascinating and highly adaptable fish native to the fresh waters of North and Central America. As the sole North American member of the drum family (Sciaenidae) to inhabit freshwater exclusively, it stands out among typical lake and river species. This bottom-dwelling fish is famously named for the distinctive, low-frequency grunting or drumming sounds males produce during the spawning season. These sounds are generated by special muscles vibrating against their swim bladder and can sometimes be heard by humans above the surface on quiet summer evenings. Besides its musical talents, the Freshwater Drum is historically and culturally significant; its massive, ivory-like ear stones, known as otoliths, have been collected as 'lucky stones' for centuries. Ecologically, it plays a vital role as a benthic predator, renowned for its ability to crush hard-shelled prey like the invasive zebra mussel, making it an unsung hero of many freshwater ecosystems.

Hábitat: Found in the bottom waters of large, clear rivers, deep natural lakes, and expansive reservoirs, typically preferring areas with sandy or gravel substrates.