. The Canadian field-naturalist. Natural history. Figure 1. A computer-enhanced photograph of a Uving adult male Blacknose Dace, Rhinichthys atratulus, from Christie Brook, a tributary' of Salmon River, Bay of Fundy Drainage, Nova Scotia, 7 May 1998 (Negative Number-24,377 frame # 20). Mountains. Natal rivers and some of their tribu- taries, typically have extensive shallow sections with riffles. The clear, cool water flows at a moder- ate rate over gently-sloping hard bottom. R. atratu- lus shares this specific habitat with Brook Trout, Salvelinus fontinalis, in brooks (Figure 4) and Atlantic


. The Canadian field-naturalist. Natural history. Figure 1. A computer-enhanced photograph of a Uving adult male Blacknose Dace, Rhinichthys atratulus, from Christie Brook, a tributary' of Salmon River, Bay of Fundy Drainage, Nova Scotia, 7 May 1998 (Negative Number-24,377 frame # 20). Mountains. Natal rivers and some of their tribu- taries, typically have extensive shallow sections with riffles. The clear, cool water flows at a moder- ate rate over gently-sloping hard bottom. R. atratu- lus shares this specific habitat with Brook Trout, Salvelinus fontinalis, in brooks (Figure 4) and Atlantic Salmon parr, Salmo salar, in rivers (Figure 5). The described habitat helps to explain why this no groove between upper lip and snout. non-protractile premaxillary complete groove between upper lip and snout Blacknose Dace. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ottawa Field-Naturalists' Club. Ottawa, Ottawa Field-Naturalists' Club


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectnaturalhistory, booky