| Stock code | Appearance refers to | Specialized organs | Diff. appearance | Diff. colors | |
|---|---|---|---|---|---|
| Male | Female | ||||
| 1467 | No | No | no special organs | different morphology during breeding season only | different colors during breeding season only |
| 1491 | No | No | no special organs | always different morphology between mature adults | different colors during breeding season only |
| 2268 | No | No | protruding genital papilla (m) | always different morphology between mature adults | different colors in mature adults only |