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A p p e a r a n c e
F r o m W i k i p e d i a , t h e f r e e e n c y c l o p e d i a
Pegias monotypic genus [3] of freshwater mussels in the family Unionidae . This genus contains the single species Pegias fabula littlewing pearlymussel .
Distribution
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The species is native to the Cumberland and Tennessee River systems in the United States, where it is present in streams in North Carolina , Kentucky , Virginia , and Tennessee .[2] endangered species of the United States since 1988.[4] [5]
Description
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This mussel is up to 3.8 centimetres (1.5 in ) long by 1.3 centimetres (0.51 in ) wide. The outer surface of the shell is light greenish or dark yellowish, but it is often eroded off, leaving the shell chalky whitish in color.[3]
Threat of extinction
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This mussel has been extirpated from most streams where it once occurred, including any in the state of Alabama . There are between six and twenty remaining populations, most of which contain fewer than 500 individuals.[2]
The main threat to the species is bad water quality, especially due to acidic mine drainage. Other threats include oil and gas exploration , road construction, channeling of the rivers, logging , agriculture, and pesticides.[2]
References
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^ a b c d NatureServe (4 August 2023). "Pegias fabula " . NatureServe Network Biodiversity Location Data accessed through NatureServe Explorer . Arlington, Virginia: NatureServe . Retrieved 8 August 2023 .
^ a b USFWS. Pegias fabula Recovery Plan.
^ "Littlewing pearlymussel (Pegias fabula )" . Environmental Conservation Online System . U.S. Fish & Wildlife Service. Retrieved 8 August 2023 .
^ 53 FR 45861
t
e
R e t r i e v e d f r o m " https://en.wikipedia.org/w/index.php?title=Pegias&oldid=1177812974 " C a t e g o r i e s : ● I U C N R e d L i s t c r i t i c a l l y e n d a n g e r e d s p e c i e s ● N a t u r e S e r v e c r i t i c a l l y i m p e r i l e d s p e c i e s ● U n i o n i d a e ● B i v a l v e g e n e r a ● M o n o t y p i c m o l l u s c g e n e r a ● E S A e n d a n g e r e d s p e c i e s ● U n i o n i d a e s t u b s H i d d e n c a t e g o r i e s : ● A r t i c l e s w i t h s h o r t d e s c r i p t i o n ● S h o r t d e s c r i p t i o n i s d i f f e r e n t f r o m W i k i d a t a ● A r t i c l e s w i t h ' s p e c i e s ' m i c r o f o r m a t s ● T a x o n b a r s w i t h m u l t i p l e m a n u a l W i k i d a t a i t e m s ● T a x o n o m y a r t i c l e s c r e a t e d b y P o l b o t ● A l l s t u b a r t i c l e s
● T h i s p a g e w a s l a s t e d i t e d o n 2 9 S e p t e m b e r 2 0 2 3 , a t 1 9 : 0 8 ( U T C ) . ● T e x t i s a v a i l a b l e u n d e r t h e C r e a t i v e C o m m o n s A t t r i b u t i o n - S h a r e A l i k e L i c e n s e 4 . 0 ;
a d d i t i o n a l t e r m s m a y a p p l y . B y u s i n g t h i s s i t e , y o u a g r e e t o t h e T e r m s o f U s e a n d P r i v a c y P o l i c y . W i k i p e d i a ® i s a r e g i s t e r e d t r a d e m a r k o f t h e W i k i m e d i a F o u n d a t i o n , I n c . , a n o n - p r o f i t o r g a n i z a t i o n . ● P r i v a c y p o l i c y ● A b o u t W i k i p e d i a ● D i s c l a i m e r s ● C o n t a c t W i k i p e d i a ● C o d e o f C o n d u c t ● D e v e l o p e r s ● S t a t i s t i c s ● C o o k i e s t a t e m e n t ● M o b i l e v i e w
