1) Lamna nasus 2) Mackerel shark 
shark with a pointed snout
• (n.) A species of shark (Lamna cornubica), about eight feet long, having a pointed nose and a crescent-shaped tail; -- called also mackerel shark.
species of mackerel shark (q.v.).[1 related articles]
Por'bea`gle noun (Zoology) A species of shark ( Lamna cornubica ), about eight feet long, having a pointed nose and a crescent-shaped tail; -- called also mackerel shark . [ Written also probeagle .]
The porbeagle (Lamna cornubica) is a shark occurring in the North Atlantic and which frequently strays into British coastal waters. The second anal and dorsal fin are both small, the lower lobe of the tail is well developed, and the sides have a prominent longitudinal keel. The gill openings are wide and the spiracle minute. The shark reaches a len...
[n] - voracious pointed-nose shark of northern Atlantic and Pacific
Lamna nasus noun voracious pointed-nose shark of northern Atlantic and Pacific