For the same size carcass, the porbeagle's 2nd dorsal fin, although small by comparison to other sharks, is larger than the mako's. The second dorsal fin on a mako is tiny. A mako has a snow white belly , and a similar body shaped swordfish has a smudgy dirty looking belly area. Back to the Home page. Below are links to all the pages on the website.
Scientific names Explains the use of common and scientific names of sharks.
New England Sharks Tells what shark species come into our coastal New England waters. Species by month Relationship of blue, thresher, mako and porbeagle populations during different months. A whole page devoted to the Thresher , Alopias vulpinus. A whole page devoted to the Blue , Prionace glauca. Lamnidae shark family Gives characteristics of this interesting shark family.