Neha Patil (Editor)

Fanshell

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Covid-19
Kingdom  Animalia
Genus  Cyprogenia
Higher classification  Cyprogenia
Rank  Species
Family  Unionidae
Scientific name  Cyprogenia stegaria
Phylum  Mollusca
Order  Unionoida
Fanshell western fanshell
Similar  Pink mucket, Cracking pearlymussel, Rabbitsfoot, Rough pigtoe pearly mu, Epioblasma

The fanshell, scientific name Cyprogenia stegaria, is a species of aquatic bivalve mollusk in the family Unionidae. This clam is native to the United States, where breeding populations remain in only three rivers. It is a federally listed endangered species of the United States.

Fanshell Fanshell photo Cyprogenia stegaria G70565 ARKive

This clam is known to be reproducing in the Clinch River in Tennessee and Virginia, and the Green and Licking Rivers in Kentucky. There may be a small reproducing population in the Tennessee River. There also may be some small populations remaining in several states, but these are not reproducing.

Fanshell Fresh Water Mussel Image Gallery Illinois State Museum

This species is threatened by the loss and degradation of its habitat.

Reproduction

Fanshell httpswwwfwsgovmidwestendangeredimagesmuss

All Unionidae are known to use the gills, fins, or skin of a host fish for nutrients during the larval glochidia stage. Cyprogenia stegaria release into the water a conglutinate mimicking an Oligochaeta worm which contains the mussel's young. When a fish bites into the conglutinate lure, the young glochida are released and latch onto the fish's gills for nutrients.

Fanshell wfanshelljpg
Fanshell FileFanshell mussel cyprogenia stegariajpg Wikimedia Commons
Fanshell Illinois Natural History Survey 102

References

Fanshell Wikipedia


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