Utah Species Field Guide | Utah Natural Heritage Program
Utah Species Field Guide Utah Species Field Guide
Winged Floater (Anodonta nuttalliana)

Winged Floater

Winged Floater (Anodonta nuttalliana)

Anodonta nuttalliana

NatureServe conservation status

Global (G-rank): G2G3Q
State (S-rank): S2S3

External links

Species range

Winged floater are distributed throughout western North America. In Utah, the species was historically abundant inhabiting a number of watersheds throughout the state. Now, the species is thought to inhabit only a few locations.

Migration

Like all freshwater mussels, winged floaters rely on fish for their dispersal or migration.

Habitat

Winged floaters are found in marshes, lakes, reservoirs, and slow-moving streams or rivers. They are found embedded in areas with sand or silt as the primary substrate.

Food habits

Winged floaters are filter feeders. They siphon suspended particles from the water column which improves water quality, reduces turbidity, and helps control nutrient levels.

Ecology

Freshwater mussels are considered ecosystem indicators where their absence or presence can provide information about an ecosystem's overall health and condition.

Threats or limiting factors

Threats to winged floater include: loss of host fish, urban development, channel modification, pollution, water management, improper grazing practices, and habitat shifting and alteration.

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Multicellular organisms that are autotrophic or make complex carbohydrates from basic constituents. Most use photosynthesis.

Flowering plants that produce seeds enclosed in an ovary

Multicellular organisms that develop from the fertilization of an egg by a sperm. Heterotrophic - obtain food by ingestion.

Have skulls and backbones.

Cold blooded, lay eggs on land

Have feathers and lay eggs

Invertebrates with an exoskeleton, jointed appendages, and segmented bodies

Animals having 3 pair of legs, 3 body sections, generally 1 or 2 pair of wings, 1 pair of antennae.

Soft bodied animals with an internal or external shell and a toothed tongue or radula. Have a mantle that lines and secretes the shell and a muscular foot that allows for movement.

Two hinged lateral shells and a wedged shaped "foot". Bivalves lack tentacles and a head.


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