It's not called a bodyofrevolution fish
. Mb was surprised at the low Cd. They also mention that it's very stable and maneuvrable. We can't say for sure what the most streamlined animal is until we test them. In the meantime we just have to drive cigar shaped cars.
I was at the big al's the other day and noticed the shark's head is elliptical. The body is almost triangular.
Imo as long as the air on the top and side is the same, sharp edges won't hurt. It's when there is a pressure differential that sharp edges will accentuate it and create vortices. In that case a round edge will allow a gradient, and not feed vortices