Observations

Lake Ontario : Credit River

Observed on: 2025-07-19

Lake Ontario : Humber River (Mouth)

Observed on: 2025-07-19

Lake Ontario : Rouge River

Observed on: 2025-07-13

Lake Ontario : Lower Don River

Observed on: 2025-07-13

Lake Ontario : Credit River

Observed on: 2025-06-08

Lake Ontario : Lower Don River

Observed on: 2024-10-13

Lake Ontario : Rouge River

Observed on: 2024-10-13

Lake Ontario : Small's Creek Upstream

Observed on: 2024-09-15

Lake Ontario : Small's Creek

Observed on: 2024-09-15

Lake Ontario : Glen Stewart Ravine

Observed on: 2024-09-12