Cover photo credit: Al Dextrase

Status

Threatened

"Threatened" means the species lives in the wild in Ontario, is not endangered, but is likely to become endangered if steps are not taken to address factors threatening it.

Date added to the Species at Risk in Ontario List

January 13, 2012

What it looks like

Silver shiner is a relatively large, slender minnow that can grow to about 14 centimetres long. It has a silvery body with some blue or green iridescence, a dark stripe down the centre of the back, and a long snout marked with two black crescents between the nostrils. All of the fins are transparent or white with no spots or other distinctive markings.

Where it lives

Silver shiners prefer moderate to large size streams with swift currents that are free of weeds and have clean gravel or boulder bottoms. They live in schools and feed on crustaceans and adult flies that fall in the water or fly just above the surface. In June or July, they spawn by scattering their eggs over gravel riffles.

Where it’s been found in Ontario

The Silver shiner range includes east-central North America throughout the Ohio and Tennessee River drainage basins. In Ontario, it is found in the Thames and Grand Rivers, and in Bronte Creek and Sixteen Mile Creek, which flow into Lake Ontario.

map of silver shiner range

View a larger version of this map (PDF)

What threatens it

Dam construction and channelling of streams, as well as water pollution, may have caused historic declines of Silver shiner in Ontario. Agricultural and urban land use, sportfish stocking, bait fish harvesting, and habitat loss and degradation are also threats. Temperature may be the most important limiting factor, as southern Ontario represents the northern limit for the species.

Action we are taking

Threatened species and their general habitat are automatically protected.

General Habitat Descriptions

General habitat descriptions are technical, science-based documents that provide greater clarity on the area of habitat protected for a species.

Read the general habitat description.

What you can do

Report a Sighting

The Ministry of Natural Resources and Forestry tracks species at risk. You can use a handy online form to report your sightings to the Natural Heritage Information Centre. Photographs with specific locations or mapping coordinates are always helpful.

Volunteer

Volunteer with your local nature club or provincial park to participate in surveys or stewardship work focused on species at risk.

Be a good steward

Private land owners have a very important role to play in species recovery. You may be eligible for stewardship programs that support the protection and recovery of species at risk and their habitats.

Report illegal activity

Report any illegal activity related to plants and wildlife to 1-877-TIPSMNR (8477667).

Quick facts

  • the Silver shiner is common and abundant in the centre of its North American range but less common and more likely to be considered at-risk at the edge of this range, particularly in Ontario, New York, Michigan, Alabama and Georgia
  • Silver shiners are sexually mature at age two, and most reach a maximum age of three years
  • Silver shiners are easily confused with Emerald shiners and Rosyface shiners, which may have contributed to the fact that they were only confirmed in Canada in 1973, but may have always been present