Round whitefish (Prosopium cylindraceum) fish species and information / pictures of Round whitefish - Prosopium cylindraceum

Round whitefish (Prosopium cylindraceum) fish species information

Scientific Name
Prosopium cylindraceum

Common Name
Round whitefish

Biology
Inhabits shallow areas of lakes and clear streams, rarely entering brackish water (Ref. 5723). Also in rivers with swift current and stony bottom. Migration is limited to movements associated with spawning (Ref. 27547). Epipelagic (Ref. 58426). Feeds on benthic invertebrates and occasionally on fishes (Ref. 1998) and fish eggs (Ref. 593). One specimen taken from a depth of 218.9 m in eastern Lake Superior, off Grand Marais, Michigan (Ref. 1998).

Classification

Classified By

Pennant, 1784

Class

Ray-finned fishes (Actinopterygii)

Order

Salmons (Salmoniformes)

Family

Salmonids (Salmonidae)

Distribution

Region

North America

Distribution

North America: Arctic and Pacific drainages from western Hudson Bay in Canada to Alaska and northern British Columbia, Canada; Arctic and Atlantic drainages from Labrador in Canada to Connecticut, USA and west through St. Lawrence-Great Lakes basin in Canada-USA (except Lake Erie). Northern Asia: widely distributed in Siberian rivers (Ref. 26334).

Range

71°N - 43°N

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

72 m

Zone

demersal

Environment

Freshwater; brackish; demersal; potamodromous (Ref. 51243); depth range ? - 72 m (Ref. 1998), usually ? - 37 m (Ref. 1998)

Trophic Level

3.3 s.e. 0.41 Based on food items.

Occurs in Marine / Salt water

False

Occurs in Brackish water

True

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

59.0 cm

Common Length

28.6 cm

Phylogenetic Diversity Index

PD50 = 0.5156 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: minor commercial; gamefish: yes

Vulnerability

Moderate to high vulnerability (51 of 100)

Resilience

Low, minimum population doubling time 4.5 - 14 years (tm=5-7; tmax=16; Fec=1,000)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated