Giant Floater Mussel (Pyganodon grandis) wildspecies.ca

Secure

Present in regions

Migratory species: Unknown

Taxonomic group:

Freshwater mussels

Learn more about all species of Freshwater mussels in Canada.

The General Status ranks do not have legal weight. They are meant to identify the species that may be at risk in Canada.

Access other data on this species on the NatureServe Explorer.

Common Names

English common name:

Giant Floater Mussel

In English, species in the tribe Anodontini are named "Floater Mussel".

French common name:

Grand Anodonte

In French, species in the tribe Anodontini are named "Anodonte" (masculine).

Year	English common name	French common name
2005	Giant Floater	Pyganodon commune
2010	Giant Floater	Grande Anodonte
2015
2020

Scientific Names

Higher Classification:

Superkingdom

EUKARYOTA

Kingdom

ANIMALIA

Subkingdom

BILATERIA

Infrakingdom

PROTOSTOMIA

Superphylum

Spiralia

Phylum

Mollusca

Class

Bivalvia

Subclass

Autobranchia

Superorder

Heteroconchia

Year	Scientific name	Family	Order
2005	Pyganodon grandis	Unionidae	Unionoida
2010	Pyganodon grandis	Unionidae	Unionoida
2015	Pyganodon grandis	Unionidae	Unionoida
2020	Pyganodon grandis	Unionidae	Unionida

Priority Score

This species is not designated as may be at risk

Trends in rounded national ranks

Year	Rounded National Rank	Description of the change	Reason for change	Notes
2005	Secure
2010	Secure
2015	Secure
2020	Secure

Original Ranks:

Canada
2005	Secure - 4
2010	Secure - 4
2015	Secure - N5
2020	Secure - N5

Yukon
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Northwest Territories
2005	Undetermined - 5
2010	Undetermined - 5
2015	Unrankable - SU
2020	Unrankable - SU

Nunavut
2005	Undetermined - 5
2010	Undetermined - 5
2015	Not Present
2020	Not Present

British Columbia
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Alberta
2005	Sensitive - 3
2010	Sensitive - 3
2015	Apparently Secure - S4
2020	Apparently Secure - S4

Saskatchewan
2005	Undetermined - 5
2010	Undetermined - 5
2015	Secure - S5
2020	Secure - S5

Manitoba
2005	Secure - 4
2010	Secure - 4
2015	Secure - S5
2020	Secure - S5

Ontario
2005	Secure - 4
2010	Secure - 4
2015	Secure - S5
2020	Secure - S5

Quebec
2005	Sensitive - 3
2010	Sensitive - 3
2015	Apparently Secure - S4
2020	Apparently Secure - S4

New Brunswick
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Nova Scotia
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Prince Edward Island
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Newfoundland and Labrador
2005	Not Present
2010	Not Present
2015
2020

Labrador
2005
2010
2015	Not Present
2020	Not Present

Newfoundland
2005
2010
2015	Not Present
2020	Not Present

Pacific Ocean
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Western Arctic Ocean
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Eastern Arctic Ocean
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present

Atlantic Ocean
2005	Not Present
2010	Not Present
2015	Not Present
2020	Not Present