Table 1

Egg concentration (eggs mL^-1)	Mean normal larval hatch-out rate (%)
10	94 ± 2.0^a
50	96 ± 0.0^a
125	87 ± 3.0^ab
250	77 ± 6.0^b
375	39 ± 7.0^c
500	15 ± 2.0^d

^{a, b, c, d} Similar superscripts indicate no significant difference (P > 0.05)

Table 1: Hatch-out rates (mean ± SEM) of H. midae larvae relative to egg concentration at fertilisation.