Ecological Relevance of Hemolymph Total Protein Concentration in Seven Unrelated Crustacean Species from Different Habitats Measured Predictively by a Density-Salinity Refractometer

Table 2

Two-tailed paired 𝑡-test between total protein measured and calculated from hemolymph density using the specific (a) or the cumulative regression line (b).

	𝑛	(a) Correlation	(a) Paired 𝑡-test Sig. (two tailed)	(b) Correlation	(a) Paired 𝑡-test Sig.; (two tailed)
P. elegans	164	0.789 (𝑃=0.0001)	0.755	0.801 (𝑃=0.0001)	0.144
A. leptodactylus	46	0.928 (𝑃=0.0001)	0.754	0.920 (𝑃=0.0001)	0.060
U. pusilla	79	0.840 (𝑃=0.0001)	0.477	0.945 (𝑃=0.0001)	0.221
S. mantis	191	0.844 (𝑃=0.0001)	0.821	0.915 (𝑃=0.0001)	0.598
C. aestuarii	656	0.868 (𝑃=0.0001)	0.959	0.866 (𝑃=0.0001)	0.705
C. pagurus	114	0.799 (𝑃=0.0001)	0.662	0.936 (𝑃=0.0001)	0.118
H. americanus	325	0.781 (𝑃=0.0001)	0.395	0.783 (𝑃=0.0001)	0.105