Bioaccumulation (BA) of marine toxins (pollutants from biological sources) in bivalve molluscs, main producer genera, evaluated species, collection place, and calculated bioconcentration factor (BCF) (when possible) in the period 2019–2024

TypeToxinProducer generaEvaluated species
(sample size)
LocationBA (μg kg−1)BCFRef.
KainoidDAPseudo-nitzchia australisDonax trunculus (11 clams)Northwest coast of Brittany, France12 × 103-[55]
Pecten maximus (5 scallops)638.6 × 103-
Aequipecten opercularis (10 scallops)22.7 × 103-
Crepidula Fornicata (7 slippersnails)48.5 × 103-
PolyketideOAVulcanodinium rugosumMultiple species (1,150)Galician Coast, Spain~100-[56]
DTX2~150-
OAProrocentrum limaMytilus galloprovincialis (372 mussels)Ria of Vigo, Spain2,819.2-[54]
DTX11,107.1-
OA-Alectryonella plicatula (3 mussels)-255.2-[51]
PolyetherYTXVulcanodinium rugosumMultiple species (1,150)Galician Coast, Spain~90-[56]
Cyclic iminePnTXGVulcanodinium rugosum~50-
13-desm SPXCAlexandrium ostenfeldii~20-
13-19diDesMetSPXC~5-
AlkaloidSTXsA. catenellaMytilus edulis (61 mussels)Coastline of Argentina40,432 μg STX di-HCl eq/kg-[50]
Aulacomya atra (2 mussels)268 µg STX di-HCl eq/kg-
Brachidontes rodriguezii (9 mussels)224 µg STX di-HCl eq/kg-
Zygochlamys patagonica (23 scallops)1,348 µg STX di-HCl eq/kg-
Aequipecten tehuelche (13 scallops)2,884 µg STX di-HCl eq/kg-
Mesodesma mactroides (27 clams)Mean value < MPL-
Ameghinomya antiqua (3 clams)-
Donax hanleyanus (13 clams)-
-Alectryonella plicatula (3 mussels)-365.3-[51]
Gymnodinium catenatumCerastoderme edule (40 cockles)Mira branch, Aveiro lagoon, Portugal125–4,721 μg STX di-HCl eq/kg-[52]
Mytilus galloprovincialis (10 mussels)165–4,013 μg STX di-HCl eq/kg-
Solen marginatus (10 shells)133–1,176 μg STX di-HCl eq/kg-
-Mussels (N.I.Nb of not indicated species)Xiapu, Fujian, China0.65282.6[53]

DA: domoic acid; OA: okadaic acid; DTX1: dinophysistoxin 1; YTX: yessotoxin; PnTXG: pinnatoxin G; 13-desm SPXC: 13-desmethyl spirolide C; STX: saxitoxin; N.I.Nb: not indicated number; MPL: maximum permitted level