A median fin (dorsal or anal) along the back or belly. Positions are fractions of the total length (0 = nose, 1 = tail tip).
Fin height as a fraction of the total length.
Length of the fin base.
Where the fin base starts.
How far the fin leans back (0 = upright, 1 = swept back by its own height).
A median fin (dorsal or anal) along the back or belly. Positions are fractions of the total length (0 = nose, 1 = tail tip).