- Uniform slate grey coloration
- Tall, very erect fin due to steep angle of the leading edge.
- Moderately rounded apex
- Nearly straight trailing edge.
- Short free rear tip.
Information has been adapted from Abercrombie, D. L. (2019). Identifying shark fins: Shortfin Mako (Isurus oxyrinchus) & Longfin Mako (Isurus paucus). Abercrombie & Fish.