1: some C. tubercularis have a translucent white body with no pigment.
2: some C. tubercularis have a translucent white body with black and/or yellow pigment, usually in discrete areas, not randomly intermixed mottling. Amounts of pigment vary even on the same individual, such as this one with a black pigment line behind and below its left eye but not by its right eye.
Tentacles usually translucent white without pigment.