ENDANGERED AQUATIC SPECIES IN PENNSYLVANIA

Toni Christopher

Limnology

Division of Natural Sciences and Mathematics

ENDANGERED SPECIES IN PENNSYLVANIA

one fish

one plant

eight species of mussel

SHO RTNO SE STURGEON, ACIPENS ER BREVIROST RUM

Listed since 1967

Anadromous, long-lived, long generation times

Habitat loss/degradation, accidental mortality,

pollution

Recovery plan -> 2024

http://www.nmfs.noaa.gov/pr/species/fish/shortnosesturgeon.htm

NORTHEASTERN BULRUSH, SCIRPUS ANCISTROCHAETUS

Also called barbedbristle bulrush

Listed since 1991

Obligate wetland plant

habitat destruction, drawdown of the water table,

disruption of water courses, invasive species,

agricultural runoff, and natural events

http://www.fs.fed.us/wildflowers/rareplants/profiles/tep/scirpus_ancistrochaetus/index.shtml

THE MUSSELS

Eight species, same characteristics

Listed since various years

All listed due to habitat loss, degradation, siltation,

water pollution

Recovery plans in progress for all of them, only

once close to being complete

Clubshell, Pleurobema clava

Pink mucket, Lampsilis abrupta

Rough pigtoe, Pleurobema plenum

Orangefoot pimpleback, Plethobasus

cooperianus

Northern riffleshell, Epioblasma

torulosa rangiana

Ring pink, Obovaria retusa

Dwarf wedgemussel, Alasmidonta

heterodon

Cracking pearlymussel, Hemistena lata

THE MUSSELS

1993 1976 1976

19761993

1990

1989

IMAGE REFERENCES

http://www.nmfs.noaa.gov/pr/species/fish/shortnosesturgeon.htm

http://www.fs.fed.us/wildflowers/rareplants/profiles/tep/scirpus_ancistrochaetus/index.shtml

http://miendangeredspecies.blogspot.com/2007/02/clubshell.html

http://www.marietta.edu/~biol/mussels/pinkmuk.html

http://www.fws.gov/midwest/endangered/clams/rough_fc.html

http://www.fws.gov/midwest/endangered/clams/orang_fc.html

http://www.naturalheritage.state.pa.us/factsheets/12209.pdf

http://www.fws.gov/midwest/endangered/clams/ringp_fc.html

http://www.dec.ny.gov/animals/42253.html

CONTEXT REFERENCES

U.S. Fish and Wildlife Service website Species

Profile• See paper for full links

QUESTIONS?

1993 1976 1976

19761993

1990

1989

1967

1991