- bursa swollen
The adult male tail, including the lateral fan and rays, appears bloated or distended.
- bursa elongated
The length of the adult male tail, including the lateral fan and rays, is extended compared to control.
- rays missing
Any of the finger-like sensory sensilla that project from the tail and embed in the male fan are absent.
- extra rays
Animals exhibit an extra number of the finger-like sensory sensilla that project from the tail and embed in the male fan.
- bursa morphology variant
Any variation in the form, structure or composition of the adult male tail including the lateral fan and rays compared to control.
- rays fused
Any of the finger-like sensory sensilla that project from the tail and embed in the male fan are joined to one another.
- rays displaced
Any of the finger-like sensory sensilla that project from the tail and embed in the male fan are shifted from their customary place.
- ray tips swollen
The extreme ends of any of the finger-like sensory sensilla that project from the tail and embed in the male fan appear bloated or distended.
- male fan development variant
Any variation in the process whose specific outcome is the progression of the male fan over time, from its formation to the mature structure, compared to control.