Lake charr Salvelinus namaycush spawning behaviour: new field observations and a review of current knowledge

In this paper, we (1) describe field obser- vations of lake charr (trout) reproductive behaviour, focusing on two morphs from Great Bear Lake, N.T; (2) review and synthesize observations from the literature; and (3) summarize uncertainties and pose hypotheses regarding lake trout spawning behaviour. Our description is set within the context of an existing conceptual model that included three sequential stages to spawning behaviour—traveling,...