Table 1.

Results of 1) mixed-effect Cox proportional hazards models, 2) Cox proportional hazards models, 3) GLMMs, and 4) GLMs describing aggression-related behaviors

Metric	Assay	Predictor	df	χ 2	P
a) Latency to approach	Mirror	Species	4	6.02	0.2
		Sex	1	0.01	0.91
		Species:Sex	4	9.67	0.046
	Conspecific same sex	Species	2	1.87	0.39
		Sex	1	1.83	0.18
	Conspecific opposite sex	Species	2	0.55	0.76
		Sex	1	0.14	0.71
	Heterospecific	Species	2	0.05	0.98
		Sex	1	1.3	0.25
		Size	1	5.02	0.025
		Species:Sex	2	8.26	0.016
	Mirror control	Species	4	2.67	0.61
		Sex	1	3.33	0.07
	Paired aggression control	Species	2	1.58	0.45
		Sex	1	0.37	0.55
b) Latency to attack	Mirror	Species	4	5.18	0.27
		Sex	1	3.37	0.07
		Size	1	6.22	0.01
	Conspecific same sex	Species	2	3.49	0.18
		Sex	1	1.77	0.18
		Species:Sex	2	7.37	0.025
	Conspecific opposite sex	Species	2	2.45	0.29
		Sex	1	0.13	0.72
	Heterospecific	Species	2	7.34	0.026
		Sex	1	6.86	0.009
	Mirror control	Species	4	3.89	0.42
		Sex	1	0.81	0.37
	Paired aggression control	Species	2	2.6	0.27
		Sex	1	0.02	0.9
c) Total number of attacks	Mirror	Species	4	12.96	0.01
		Sex	1	7.73	0.005
		Size	1	3.8	0.051
		Species:Sex	4	14.37	0.006
	Conspecific same sex	Species	2	6.6	0.037
		Sex	1	4.53	0.033
		Species:Sex	2	6.19	0.045
	Conspecific opposite sex	Species	2	3.52	0.17
		Sex	1	0.08	0.78
	Heterospecific	Species	2	13.46	0.001
		Sex	1	0.68	0.41
	Mirror control	Species	4	7.78	0.1
		Sex	1	1.62	0.2
	Paired aggression control	Species	2	0	1
		Sex	1	0	1
		Size	1	0.23	0.64
		Species:sex	2	0	1
d) Latency to emerge (head)	Boldness	Species	4	0.48	0.98
		Sex	1	0.28	0.6
		Species:sex	4	7.02	0.14
e) Latency to emerge (tail)	Boldness	Species	4	5.1	0.28
		Sex	1	6.33	0.01

Significant predictors are indicated in bold.