| Stock code | Appearance refers to | Specialized organs | Diff. appearance | Diff. colors | |
|---|---|---|---|---|---|
| Male | Female | ||||
| 1407 | No | No | no special organs | males alike females | males alike females |
| 2248 | No | No | no special organs | males alike females | males alike females |
| 2249 | No | No | no special organs | males alike females | males alike females |
| 2250 | No | No | no special organs | males alike females | males alike females |
| 4635 | No | No | no special organs | males alike females | different colors in juveniles and adults |