Behaviours | Agonistic level | Behavioural elements |
---|---|---|
Agonistic behaviours: | Â | Â |
Fleeing | -2 | Tail flipping, walking away quickly |
Avoidance | -1 | Walking away slowly, turning away from opponent |
Separate | 0 | Animals separate |
Initiation | 1 | Approach or following opponent, turn towards opponent |
Threat display | 2 | High on legs, meral spreading |
Touching | 3a | Animals touching via body, antenna or chela(e) with limited movement |
Physical contact (claws do not grasp) | 3b | Antenna whipping, claw pushing, claw boxing, claw tapping |
Physical contact (claws grasp) | 4 | Claw lock, clamping chela(e) onto opponents body |
Unrestrained aggression | 5 | Claw snapping, claw ripping |
Mating behaviours: | Â | Â |
Seizing | N/A | Male grips the female at the rostrum, chela(e) and/or antenna, usually from an angled position |
Turning | N/A | Male secures pereopods around the cephalothorax of the female (either from an adjacent position or by climbing on top of the female) and turns her ventral side up |
Mounting | N/A | Male holds female so ventral surfaces are facing and maintained in a parallel position |
Spermatophore deposition | N/A | Arching and depression of the male abdomen while depositing spermatophores on female ventral surface. Pauses common between cycles. |
Dismount | N/A | Female is released from the mounting position through movement of the pereopods or chela(e) |