Table 3.

Highest DSP toxin values observed in shellfish species in 2009–2017 expressed in µg∙g⁻¹.

Species Name	Common Name	DTX-2 µg∙g−1	HY-DTX-2 µg∙g−1	OA µg∙g−1	HY-OA µg∙g−1
Mytilus edulis	Blue mussel	7.63	7.84	1.74	2.77
Pecten maximus	King scallop	0.27	7.1	0.28	1.92
Crassostrea gigas	Pacific oyster	0.36	0.29	<RL	<RL
Cerastoderma edule	Common cockle	<RL	0.75	<RL	0.34
Spisula solida	Surf clam	<RL	0.16	<RL	0.22

HY = Hydrolysed ester of the parent toxin; OA = okadaic acid; RL = Regulatory Level.