Ptychobranchus fasciolaris

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Ptychobranchus fasciolaris
Ptychobranchus fasciolaris (Rafinesce, 1820).jpg
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Order: Unionida
Family: Unionidae
Genus: Ptychobranchus
Species:
P. fasciolaris
Binomial name
Ptychobranchus fasciolaris
(Rafinesque, 1820)

Ptychobranchus fasciolaris is a species of freshwater mussel in the family Unionidae, the river mussels. Its common name is kidneyshell.

Contents

Distribution and conservation status

This species is native to eastern North America, where its range includes much of the Mississippi River system. It is found in the drainages of the Ohio, Tennessee, and Cumberland Rivers. [2]

The Canadian Species at Risk Act listed it in the List of Wildlife Species at Risk as an endangered species of Canada. [3] In Canada the mussel is limited to Ontario, where it only remains in the Sydenham and Ausable Rivers and Lake Saint Clair. United States populations are more stable than those of Ontario. [2]

Reproduction

The larvae, or glochidia, of Unionidae are known to use the gills, fins, or skin of a host fish for nutrients during their development. Ptychobranchus fasciolaris enclose their glochidia in a membranous capsule called a conglutinate that resembles an insect larva or small fish. When a host fish bites the capsule bait, the Ptychobranchus fasciolaris glochidia attach to its gills, where they feed. [4]

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References

  1. Bogan, A.E.; Woolnough, D. (2017). "Ptychobranchus fasciolaris". IUCN Red List of Threatened Species . 2017: e.T18824A62905619. doi: 10.2305/IUCN.UK.2017-3.RLTS.T18824A62905619.en . Retrieved 16 November 2021.
  2. 1 2 Ptychobranchus fasciolaris. NatureServe. 2012.
  3. COSEWIC. 2005. Canadian Species at Risk. Committee on the Status of Endangered Wildlife in Canada. 64 pp., page 13.
  4. Watters, G. Thomas (1999). "Morphology of the conglutinate of the kidneyshell freshwater mussel, Ptychobranchus fasciolaris". Invertebrate Biology. 118 (3): 289–295. doi:10.2307/3226998. JSTOR   3226998.