When copulation is achieved, a male implements a coercive mating strategy known as caudocephalic waving.
2.
The stronger and more frequent the caudocephalic waves and the closer the male s cloaca to the female s, the more likely the male is to mate successfully.
3.
When males " court " females, they line their bodies up to the females'and produce caudocephalic waves, which are a series of muscle contractions that travel through their bodies from tail to head.