Roughhead grenadier (Macrourus berglax) COSEWIC assessment and status report: chapter 4

Distribution

Global range

The roughhead grenadier is found along the continental shelf and slope in temperate to arctic waters of the North Atlantic (Figure 2).  In the western North Atlantic, they can be found from Davis Strait; off the Labrador and northeast Newfoundland Shelves; off the Grand Bank; off Nova Scotia on Banquereau, Sable Island, and Browns Banks; and on Georges Bank (Scott & Scott 1988).  In the eastern North Atlantic, they can be found from the Irish Atlantic Slope and Faeroe Islands, Norwegian coast to Spitzbergen and into the Barents Sea (Cohen et al. 1990).

Figure 2. Global distribution of Macrourus berglax (Adapted from Cohen et al. 1990).

Figure 2.  Global distribution of Macrourus berglax (Adapted from Cohen et al. 1990).

Canadian range

Macrourus berglax is distributed along the continental slope and deep shelf in the North Atlantic. They have been observed off Newfoundland and the Grand Bank to off Nova Scotia on the Banquereau, Sable Island, Browns Bank and Georges Bank (Figure 3).

Figure 3. Canadian distribution of Macrourus berglax, derived from the ECNASAP database.

Figure 3.  Canadian distribution of Macrourus berglax, derived from the ECNASAP database.

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