Table 4. Significant differences in agonistic behaviors among BCs and YCs receiving Gly-SIFamide injections.
| Behavioral Parameters | BC Injected | YC injected | |||
|---|---|---|---|---|---|
| BC* | YC | BC | YC* | ||
| Position of Body and Walking Legs | |||||
| Legs fully flexed/body touching bottom | [0] | +(38) | −36 | ||
| Legs fully flexed/body touching bottom | [1] | −29 | |||
| Legs partially flexed/body partially lifted | [2] | +12 | |||
| Legs partially flexed/body partially lifted | [3] | ||||
| Legs partially flexed/body partially lifted | [4] | ||||
| Legs fully extended/body fully lifted | [5] | ||||
| Legs fully extended/body fully lifted | [6] | ||||
| Movement and Position of Claws | |||||
| Crossed in front of eyes | [0] | ||||
| Touching bottom while extended | [1] | −39 | |||
| Touching bottom while flexed | [2] | −35 | +(22) | ||
| At body level | [3] | +34 | +12 | −(24) | +34 |
| Above body level | [4] | ||||
| Extended at or above body level | [5] | ||||
| Quickly thrust forward/lifting other prawn | [6] | ||||
| Movement of Chela | |||||
| Closed/not touching the other prawn | [0] | −60 | +37 | −65 | |
| Closed/touching the other prawn | [1] | −11 | −17 | ||
| Open/not touching the other prawn | [2] | +58 | +68 | ||
| Open/touching the other prawn | [3] | ||||
| Scissoring in front of the other prawn | [4] | ||||
| Open, grabbing or lifting the other prawn | [5] | ||||
| Nipping or Tearing | [6] | ||||
| Movement Toward or Away From Each Other | |||||
| Rush to move away from other prawn w/o facing it | [0] | +1 | |||
| Walk away from other prawn w/o facing it | [1] | −(7) | |||
| Walk away from other prawn while facing it | [2] | ||||
| Turn away from other prawn, w/o walking away from it | [3] | −4 | |||
| Turn towards other prawn, w/o walking away from it | [4] | −(5) | |||
| Walk toward the other prawn while facing it | [5] | −6 | |||
| Rush toward the other prawn while facing it | [6] | ||||
The asterisk represents the animal injected with Gly-SIFamide in each pair interactions. Data values shown indicate where statistically significant differences were observed. These numbers are the mean percentage of the difference between how many times each animal performed each parameter before and after injection of the neuropeptide (the higher the number, the higher the magnitude of the effect). White spaces indicate parameters where nonsignificant differences were found. The values in brackets indicate the weight, or level, of the parameter as an indicator of dominance/subordination, 6 indicating the most highly dominant behavior, 0 indicating complete or total subordination. Numbers in brackets indicates a tendency. Plus and minus symbols represent a significant increase or decrease in the performed behavior after the injection compared to the control (before the injection), respectively.