Table 1. Quiescence in adult/senescent and juvenile Sepia officinalis.

	Day (% ± std.err)	Night	24-hours
Senescent (n = 5)	33±12.6	26±8	30±10.3
Juvenile (n = 4)	58.6±4.6* ‡	12.8±5.4	35.7±10

^*Student's t-test, p<0.05 Day vs. night.

^‡p<0.05 senescent vs. juvenile.