Morax stick - Axenfelde - is one of several types of trematodes that come to the surface of the water during their life cycle. They have a similar structure but different functions.
The morax bacillus (also known as Paxenfeld-Marcks' Spur) is a pareichial worm and appears as a round, oblong or cone-shaped structure. It has a length from several millimeters to two centimeters. On its surface there are lips,