Freshwater Fish of Ontario From the Great Lakes to Hudson Bay to all the creeks, rivers, smaller lakes, and wetlands in between, Ontario’s aquatic ecosystems contain a highly diverse fish population.

A guide to the fish of Ontario created to assist those in participating in the Ontario Fish project.

The brown trout ( Salmo trutta) is an originally European species of salmonid fish. It includes both purely freshwater populations, referred to Salmo trutta morpha fario and S. trutta morpha lacustris, and anadromous forms known as the sea trout, S. trutta morpha trutta.

Ontario Freshwater Fishes Life History Database Home

Ichthyology and Herpetology, Royal Ontario Museum. May 1994. Modified February 2023. Goldstein, R.M. and T.P. Simon. 1999. Toward a united definition of guild structure for feeding ecology of North American freshwater fishes. Pages 123-202 in T.P. Simon [Ed]. Assessing the sustainability and biological integrity of water resources using fish ...

This guide includes information on 11 species of important fish found in Ontario, and touches on species at risk, invasive species, and game fish. For each species detailed, there is an overview of the fish’s appearance, diet, habitat, and life history.

Small, elongated fish. Green to black body. Large, frog-like eyes on top of their head. Black spot on dorsal fin. Pelvic fins fused together. Length: 7.5-12.5 cm (3- 5 in). Very large, elongated fish (second largest in Ontario). Dark vertical bands on light background, at times spotted or clear. Green-gold, brown, grey or silver back.

2014年7月18日 · Information about the Brown Trout (Salmo trutta), a cold-water fish that was introduced and naturalized in Ontario.

Trout are a long and narrow fish that vary in color depending on the type. They are a cold-water species that can be found in all the Great Lakes along with rivers and streams. A trout can be caught in a variety of ways including trolling, river fishing, and fly fishing. Main Types: Brown Trout: Numerous black spots on top of its brown skin …

Trout species in Lake Ontario, including lake trout, brown trout, and rainbow trout (steelhead), are known for their striking physical characteristics and fierce fighting abilities. Lake trout have a dark green to gray body with light spots, while brown trout …