Fig. 5. Concentrations of elements present in standard seawater (SW)
(N=17), and the external SW layer (N=33), extrathecal
coelenteron SW (N=38) and internal coelenteron SW (N=18) of
bulk, frozen-hydrated Galaxea fascicularis polyps sampled during
daytime. Values are means ± S.E.M. All results were standardised to 546
mmol kg-1 Cl. See Results for significant differences. ^Not
detectable.