Table 1.

Sample sizes, masses and social behaviour for all Neolamprologus pulcher individuals included in the current study. (All values are presented as the median and the interquartile range (i.e. the 50th percentile (25th–75th percentile)).)

status	sex	sample size	mass (g)	SL (mm)	brain mass (mg)	overt aggression (acts ⋅ 10 min−1)	restrained aggression (acts ⋅ 10 min−1)	submission (acts ⋅ 10 min−1)	affiliation (acts ⋅ 10 min−1)
breeder	male	9	10.0 (9.6–11.2)	71.6 (69.6–72.4)	40.9 (37.4–41.2)	0.5 (0.5–1.0)	9.5 (6.0–10.0)	0.0 (0.0–0.0)	1.0 (0.0–1.5)
breeder	female	9	7.9 (7.4–8.9)	64.9 (62.4–68.8)	38.2 (34.7–42.0)	0.0 (0.0–0.0)	3.5 (2.5–8.0)	2.5 (2.0–3.5)	3.0 (1.5–5.5)
subordinate	male	9	3.4 (1.8–3.6)	47.6 (40.5–51.1)	2.63 (2.17–2.97)	0.0 (0.0–0.0)	0.0 (0.0–1.5)	4.5 (4.0–7.5)	1.5 (0.5–5.5)
subordinate	female	11	6.1 (4.8–7.0)	59.0 (55.6–61.0)	3.18 (2.95–3.49)	0.0 (0.0–0.0)	1.0 (0.5–3.5)	4.0 (2.3–8.0)	2.5 (0.8–3.5)