What is acuminate?
acuminate meaning a shape which gradually tapers to a point
The fierasfer, Carapus bermudensis, possess an acuminate shape. The tapered end allows the fish to retreat tail first, for protection, into the digestive canal of a sea cucumber when threatened. (Photo: D. Flescher, NOAA/National Marine Fisheries Service)
reference: Coral Reef Information System – GlossaryWhat is