Английская Википедия:Fanshell
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The fanshell (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.[1][2]
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.[3]
This species is threatened by the loss and degradation of its habitat.[2]
Reproduction
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.[3]
References
- ↑ Ошибка цитирования Неверный тег
<ref>; для сносокecosне указан текст - ↑ 2,0 2,1 Ошибка цитирования Неверный тег
<ref>; для сносокFR55не указан текст - ↑ 3,0 3,1 Jones, J. W. and R. J. Neves. (2002). Life history and propagation of the endangered fanshell pearlymussel, Cyprogenia stegaria Rafinesque (Bivalvia:Unionidae). Journal of the North American Benthological Society 21(1) 76–88. Шаблон:Doi Шаблон:JSTOR
- Английская Википедия
- Unionidae
- Fauna of the United States
- Bivalves described in 1820
- Taxa named by Constantine Samuel Rafinesque
- Taxonomy articles created by Polbot
- ESA endangered species
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