Table 2.

Mean elemental concentrations in pelleted food (n = 3) and algae (n = 1) in ng/g dm.

Element	Pelleted Food	Amansia spp. *	Gracilaria salicornia *
As	259 ± 5.8	1,520	4,270
Cd	53.5 ± 1.9	518	196
Co	95.5 ± 6.1	281	39.3
Cr	523 ± 105	1,630	663
Cu	10,400 ± 2,460	3,610	985
Ni	2,490 ± 118	8,970	532
Pb	97.5 ± 16.8	1,030	388
Sb	11.3 ± 0.5	14.9	14.1
Se	767 ± 54.3	237	77.6
Sr	8,730 ± 593	79,000	31,100
V	208 ± 24.7	2,020	3,370

^*Moisture content of Amansia spp. was 46.2% and G. salicornia was 45.1%.