Back with a new edition!
Contributing authors: Erling Holm, Mary E. Burridge, Dr. Nicolas E. Mandrak
The definitive guide to Ontario freshwater fishes.
This beautiful and authoritative field guide includes all the species observed in Ontario. The second edition features new and revised species accounts, more than 150 new photographs and illustrations, and updated names, identification keys, range maps, and conservation statuses.
Written in clear, accessible language, this publication contains more than 600 photographs, along with summary tables of length and weight for each species. The guide takes a user-friendly approach that allows for quick and accurate species identification.
| Species | Length (cm) | Weight (g) |
|---|---|---|
| Eastern Brook Trout | 10–25 | 100–500 |
| Smallmouth Bass | 20–40 | 300–1200 |
| Common Carp | 30–60 | 500–2500 |
FAQ
Are the species accounts in this edition updated compared to the first edition?
Yes, the second edition includes new and revised species accounts with updated identification keys, range maps, and conservation statuses.
How many photographs are included in the guide?
The guide contains more than 600 photographs, including over 150 new ones in this edition.
Is the guide suitable for beginners in freshwater fish identification?
Yes, it is written in clear, accessible language and includes user-friendly identification tools.

Yvonne Peters –
This guide is an excellent resource for both hobbyists and researchers. The updated photos and clear descriptions make it easy to identify fish in the field. The tables for length and weight are very helpful when comparing species.
Elizabeth Vance –
As a nature enthusiast, I found the detailed species accounts and range maps very informative. The new illustrations improve identification accuracy significantly.
Natalie Bower –
Well-organized and comprehensive. The inclusion of conservation statuses adds valuable context. A bit dense for casual readers, but very useful for serious anglers and biologists.
Mary Pullman –
The second edition is a major improvement. The photographs are crisp and the identification keys are straightforward. I recommend it to anyone interested in Ontario’s freshwater ecosystems.