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The freshwater drum, Aplodinotus grunniens, is a fish endemic to North and Central America. It is the only species in the genus Aplodinotus, [3] and is a member of the family Sciaenidae. It is the only North American member of the group that inhabits freshwater for its entire life. [4]
The freshwater drum, Aplodinotus grunniens, is a fish endemic to North and Central America. It is the only species in the genus Aplodinotus , and is a member of the family Sciaenidae. It is the only North American member of the group that inhabits freshwater for its entire life.
27 maj 2024 · Freshwater drums’ appearance will differ depending on their habitat. For example, they appear brown in transparent water, but in muddy water, they look silvery or grayish. These fish move in groups and are mostly active at night.
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Size: 95 cm maximum length (IGFA 2001), 45 cm common length (Frimodt 1995). Native Range: East of the Rocky Mountains in the St. Lawrence-Great Lakes, Hudson Bay, and Mississippi River basins from Quebec to northern Manitoba and southern Saskatchewan in Canada and south to the Gulf of Mexico.
Freshwater drum inhabit backwaters and areas of slack current in a wide range of habitats including deep pools in medium to large rivers and large, deep to shallow lacustrine environments. They are a benthic fish that particularly like silty to rocky substrates.
Occur in bottoms of medium to large rivers and lakes (Ref. 557, 10294). Adults feed on aquatic insect immatures such as mayflies (Hexagenia), amphipods, fish (especially shad and young drum), crayfish and mollusks. Larval stages of drum consume larvae of other fishes, while young fishes utilize zooplankton (Ref. 10294). Known to produce sound.
