Geographic Range. Freshwater drum are the only members of the family Sciaenidae that inhabit freshwater. They have a vast distribution range that extends. Aplodinotus grunniens Rafinesque, Common name: Freshwater Drum. Synonyms and Other Names: bubbler, croaker, gaspergou, gou, gray bass, grinder. Image of Aplodinotus grunniens. Aplodinotus grunniens Trusted. Creative Commons Attribution Non Commercial Share Alike (CC BY-NC-SA

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Adults feed primarily on aquatic insects such as mayflies, small fish in particular shad Alosa and immature drum and mollusks. The freshwater drum prefers clear water, but it is tolerant of turbid and murky water. They are primarily active in feeding at night.

Freshwater Drum/Sheepshead (Aplodinotus grunniens)

Freshwater drum feed on prey at all hours of the night. Cranbrook Institute of Science. East of Rocky Mountains in St. The anal fin has two spines, the first being much shorter than the second, and seven soft rays. The freshwater drum is not federally or grunnkens listed by any states.

Minnesota Department of Natural Resources The freshwater drum is a member of the family Sciaenidaeand is the only North American member of the group that inhabits freshwater for its entire life. Freshwater drum tend to hang out with walleye. There is no parental involvement among freshwater drum after spawning.


Freshwater drum can reach lengths up to. Sign our Guest Book.

However scientific evidence to justify this statement has not been documented. Freshwater drum are the only North American member of their family to exclusively inhabit freshwater freshwater family members ggrunniens genera PachypopsPachyurusPetilipinnis and Plagioscion are from South America, [10] while Boesemania is Asian [11]. Bottom habitats in the very deepest oceans below m are sometimes referred to as the abyssal zone.

Larvae stay attached to the surface film until they obtain enough muscle strength to ap,odinotus into deeper water. Larval stages of drum consume larvae of other fishes, while young fishes utilize zooplankton Ref.

Freshwater drum congregate in large schools to feed and breed.

Human uses

Stay Connected Grumniens Instagram. On average they range in size from 31 cm to 71 cm 12 to 28 inches and weights from. According to Etnier and Starnes one female can produce 40, to 60, ova, although most of these eggs are preyed on almost immediately. The scales are ctenoid and the lateral line scales can range from 49 to Fascinating Facts Male freshwater drum makes its unique sound with muscles rubbed along its swim bladder. This noise comes from a special set of muscles within the body cavity that vibrate against the swim bladder.

L-shaped otoliths are collected as ‘lucky stones’ Ref. Minnesota Department of Natural Resources, Mating System polygynandrous promiscuous Males generally reach maturity at the age of four while females usually reach maturity around age five and into their sixth year of life.


Freshwater drum – Wikipedia

Journal of Great Lakes Research. University Press of Mississippi. The eggs are fertilized and left floating near the surface of the water, where the eggs, and subsequently the larvae, are carried by currents. Aplodinotjs the Park Mailing Address: American Midland Naturalist, Referring to an animal that lives on or near the bottom of a body of water.

Accessed November 28, at http: Volume 99, Issue 3, The size of freshwater drum varies based on food and habitat availability. The Ohio Journal of Science. Minnesota Department of Natural Resources, Known Predators Sander vitreus Esox masquinongy Esox lucius Aplodinotus grunniens Larus argentatus Homo sapiens Ecosystem Roles Freshwater drum are known for their feeding on the notorious zebra mussels Dreissena polymorpha.

Aplodinotus grunniens Sheephead Facebook. The fish spawn within the water column.

The larvae are 3 mm at hatching and stay at the surface for three days, or until they are capable of swimming on their own.