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      Winged Mapleleaf (Quadrula fragosa) | U.S. Fish & Wildlife Service

      Winged mapleleaf were once found in 38 places in the midwest from Minnesota to Arkansas, but are now found only in six. The winged mapleleaf, like other species of mussels, spends most of its time buried in sediments and are primarily sedentary.

      Winged mapleleaf - Wikipedia

      The winged mapleleaf, also known as false mapleleaf, or hickory nut shell, and with the scientific name Quadrula fragosa, is a species of freshwater mussel. It is an aquatic bivalve mollusk in the family Unionidae, the river mussels.

      Quadrula fragosa : Winged Mapleleaf | Rare Species Guide

      Mussels eat by filtering bacteria, protozoans, algae, and other organic matter out of the water. They draw water into their body through their incurrent siphon, remove food and oxygen with …

      Winged Mapleleaf (Quadrula fragosa)

      Winged Mapleleaf ( Quadrula fragosa ), listed as State and Federally Endangered, is found in large and medium-sized rivers in the Mississippi River drainage, in areas with mixed gravel and sand in riffles or fast-flowing water.

      Saving the Winged Mapleleaf Mussel from Extinction

      to help save a federally endangered species from extinction. The Wild Rivers Conservancy, and multiple federal, state, and university partners committed resources, expertise, and time to preserving one of the only known self-sustaining populations of the winged mapleleaf mussel (Quadrula fragosa).

      Winged Mapleleaf.indd - USGS

      The winged mapleleaf mussel (Quadrula fragosa, WML) is a Federal endangered species historically inhabiting at least 34 river systems in 12 Midwestern states. Only four populations are currently known to exist, including one confirmed reproducing population in the St. Croix National Scenic Riverway (NSR) bordering Minnesota and Wisconsin.

      Host Fish Identification and Early Life Thermal Requirements for …

      17 Apr 2018 · The winged mapleleaf mussel (Quadrula fragosa, WML) is a Federal endangered species historically inhabiting at least 34 river systems in 12 Midwestern states. Only four …

      Evaluate propagation efforts and determine dispersal patterns for ...

      30 Sep 2023 · The St. Croix National Scenic Riverway (SACN) has been the site of propagation and restoration efforts for two federally endangered unionid mussels: Higgins’ Eye, Lampsilis higginsii and Winged Mapleleaf (WML), Quadrula fragosa.

      Improving Survival of Juvenile Winged Mapleleaf Mussels …

      08 Jul 2021 · The St. Croix National Scenic Riverway (SACN) is one of the last refuges for rapidly declining populations of native unionid mussels in the United States and supports the only known self-sustaining population of the federally endangered Winged Mapleleaf mussel (Quadrula fragosa) in the upper Mississippi River basin.

      BioKIDS - Kids' Inquiry of Diverse Species, Quadrula fragosa: …

      Quadrula fragosa, the winged mapleleaf mussel, was once found throughout the Mississippi, Ohio, Tennessee, and Cumberland River drainages, as well as parts of the Ouachita River in Arkansas. It may also have been found in Oklahoma.