Table 1. Spawning aggregation characteristics of Bolbometopon muricatum at Wake Atoll.

Factor
	Aggregation days	Non-aggregation days
N (days)	9	4
Location surveyed	Aggregation site	Aggregation site	Aggregation site plus outside
Total area surveyed (ha)	6.48	2.88	359.56
Density (mean ± SE) per ha	10.07 ± 3.24	0.35 ± 0.35	0.024 ± 0.014*
Difference in mean density		29	420

Notes.

^*P = 0.007