Proximate Composition and Heavy Metal Analysis of Three Aquatic Foods in Makoko River, Lagos, Nigeria

Table 3

Mean (±SD) concentration of heavy metals (mg/kg) in the different seafoods.

Heavy metal	Fish muscle	Fish liver	Lobster	Crab
Chromium	4 ± 2.0^a	1 ± 0.00^b	4 ± 1.00^a	5 ± 1.00^a
Cadmium	2 ± 1.9^a	1 ± 0.00^a	21 ± 1.00^b	3 ± 2.00^a
Lead	29 ± 2.1^a	31 ± 1.1^a	23 ± 1.3^a	28 ± 1.4^a

Values with the same superscript, within the same row, shows no significant difference while those with different superscript within the same row shows significant difference.