Behavior scoring codes
| V, Vigorous claw grappling |
| C, Claw grappling |
| A, Approaching other animal |
| T, Touching other animal |
| D, Dominant posture (raised open claws, standing high, center of tank, facing other animal) |
| R, Retreating from other animal |
| S, Submissive posture (facing away from other animal, at margin of tank, thorax close to substrate, claws touching substrate) |
| B, Being touched |
| U, Unspecified definite movement |
| Q, Quiescent (not moving, no recognized agonistic posture) |
| G, Gravel manipulation* |
| F, Flipping* |
↵* Rarely seen just preceding stimulations and not included in Figures 6, 7, 8.