From: Costs of receipt and donation of ejaculates in a simultaneous hermaphrodite
Treatment | Pairing type | Description | |
---|---|---|---|
 | Focal | Partner |  |
Control | H | H | Reciprocal copulation, focals receive and donate. |
Sham | H | H | Reciprocal copulation, focals receive and donate. |
Receive | F | H | Unilateral copulation, focals restricted to receiving. |
Donate | H | F | Unilateral copulation, focals restricted to donating. |
Operated | F | F | No copulation, focals neither receive nor donate. |