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Table 3.

Haemolymph osmotic changes following a loss of 10% from initial body mass (excluding dry excretions)

SpeciesNInitial mass (g)Initial osmolarity (mOsm l-1)Mass loss (%)Time (days)Osmotic change (%)
B. judaicus 12 2.224±0.698 579±24 9.9±0.1 20.7±6.5 5.1±10.9b 
L. quinquestriatus 2.598±1.113 631±23 9.9±0.2 16.4±4.3 9.1±2.7b 
S. m. fuscus 1.619±0.495 578±49 9.9±0.4 6.8±1.6 23.6±8.4a 
S. m. palmatus 14 2.198±0.814 562±32 10.0±0.2 9.6±2.2 23.1±7.2a 
SpeciesNInitial mass (g)Initial osmolarity (mOsm l-1)Mass loss (%)Time (days)Osmotic change (%)
B. judaicus 12 2.224±0.698 579±24 9.9±0.1 20.7±6.5 5.1±10.9b 
L. quinquestriatus 2.598±1.113 631±23 9.9±0.2 16.4±4.3 9.1±2.7b 
S. m. fuscus 1.619±0.495 578±49 9.9±0.4 6.8±1.6 23.6±8.4a 
S. m. palmatus 14 2.198±0.814 562±32 10.0±0.2 9.6±2.2 23.1±7.2a 

Values are means ± S.D.

Different superscript letters indicate significant differences (ANCOVA of arcsine-transformed % osmolarity changes, with initial mass as covariate,α=0.05).

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