porbeagle shark (Lamna nasus) English: Mackerel Shark
Lamna cornubica, (Gmel.) Fleming
Subject: Mackerel sharks
Tag: Fish
Date 1884
Author H L Todd
Source/Photographer
English: George Brown Goode (1884) Fisheries and Fishery Industries of the United States: Section I, Natural History of Useful Aquatic Animals, Plates, Washington, DC: Government Printing Office
Source: https://commons.wikimedia.org/wiki/File:FMIB_51155_Mackerel_Shark.jpeg
The porbeagle or porbeagle shark (Lamna nasus) is a species of mackerel shark in the family Lamnidae, distributed widely in the cold and temperate marine waters of the North Atlantic and Southern Hemisphere.