Abstract
Abstract The first records of Cyclothone alba, Lampanyctus macdonaldi, and Protomyctophum arcticum from Norwegian waters are reviewed together with some records of the rare Argyropelecus hemigymnus, Argyropelecus olfersi, and Notolepis rissoi. The specimens originate partly from stomach contents of Atlantic salmon, Salmo salar, long-line caught in 1969–72, and partly from pelagic trawl hauls in 1980, off Vesteralen, N. Norway. Environmental conditions of the Norwegian slope mesopelagial are briefly discussed, and it is pointed out that diversity of smaller luminous fishes here may be larger than previously assumed. The presence of ripe Argyropelecus females is suggested to indicate existing spawning populations in these waters.
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