(Molluscan bivalves)
Key:B = Benign; U = Unknown; PD = Potentially Dangerous; D = Dangerous; P = Pest
Status of Seriousness | Diseases | Geographic Zones | States |
AMERICAN OYSTERS (C. virginica) | |||
(U)B | Viral gametocyte hypertrophy | Entire East & Gulf Coasts | |
D | Herpesvirus (hemocytic) | CGM | ME |
B | Chlamydia-Rickettsia Disease | Entire east coast | |
B | (in ducts and stomach) | Entire east coast | |
B | (in tubules) | Entire east coast | |
(U)PD | Actinomycosis | CSN, DB | NY, NJ |
D | Perkinsus marinus | DB, CB, PS (Entire Estuaries east & Gulf Coast) | NJ, DE, MD, |
VA, NC | |||
D | Haplosporidium nelsoni (MSX) | CSN, DB, DE, CMA | NJ, NY, DE, |
CGM* | MD, VA, ME | ||
Marsh River, ME | *Wellfleet, MA | ||
D | Minchinia costalis (SSO) | CGM, CSN, CMA | High salinity estuaries of entire northeast |
B | Nematopsis ostrearum | All Atlantic & Gulf coasts | |
B | Ancistrocoma -like ciliates | All Atlantic & Gulf coasts | |
B | Sphenophrya-like ciliates | All Atlantic & Gulf coasts | |
B | Hexamita sp. | All Atlantic & Gulf coasts | |
(U)P | Turbellaria | CSM, CGM | NY, MA, ME All but ME |
P | Bucephalus cuculus | CB, DB, PS, CMA | |
CSM, CGM? | |||
P | Nematode infections | CB, PM, DB | |
PD | Malignant neoplasia | All east coast | |
P | Gill Turbellarian | CGM | Canada |
D | Malpeque Bay disease | Canada (Gulf of St. Lawrence) | |
SOFT-SHELL CLAMS (Mya arenaria) | |||
D | Viral hematopoietic neoplasia | CGM, CSN | |
B | Chlamydia | All Northeast | |
PD | Perkinsus sp. | CB, CSN | MD, RI |
B | Ciliates | All Northeast | |
U | Pseudoklossia kidney gregarine | CSN, CGM | |
P | Bucephalus sp. | Unknown | |
U | Gill dysplasia | Entire coast | |
PD | Gonadal neoplasia | CGM | Searsport, ME Dennys ville, ME |
B P B U PD P D U | HARD-SHELLED CLAMS (Mercanaria mercenaria) Chlamydia Trematode Ciliates Arrested gametogenesis Chitried fungus BAY SCALLOPS (Aequipecten irradians Microsporidan Kidney gregarine (pseudoklossia) | Entire northeast CSN Entire range CSN Eastern Canada GMA CSN | NJ RI MA MA, CT |
BLUE MUSSELS (Mytilus edulis | |||
B | Chlamydia | Entire coast | |
U | Bacterial disease of plycate org: | an CMA, CNS | |
PD | Haplosporidan | CGM | ME |
U | Pseudoklossia sp. in kidney | CSN, CGM | MA, ME |
B | Steinhusia in ova | CSN | RI |
B | Ciliates | Entire range | |
P | Trematode redia | CGM, CSN, CMA | |
P | Trematode metacercariae Gymnophallus bursicola | CGM, CSM, CMA | |
P | Copepod | CGM | ME |
P | Pinnotheres maculatus | CSN, CGM | ME |
PD | Mytilicola intestinalis | Europe | |
U | Haematopoietic neoplasm | UK | |
D | Mytilicola orientalis | US West coast | |
SEA SCALLOPS (Placopecten magellanicus) | |||
PD | Abscesses | CGM | ME |
U | Fungus | ME (Sheepscot River | |
EUROPEAN OYSTERS (Ostreia edulis | |||
D | Mytilicola orientalis | West coast of US, France | |
U | Haematopoietic neoplasm | France | |
D | Shell disease (fungus) | European Atlantic coast Canada (Maritime provinces) | |
D | Minchinia armoricana | France, Netherlands | |
D | Martiella refringens | France | |
D | Rickettsia | France | |
D | Bonamia ostreae | France, Denmark, Netherlands | |
PD | Herpes-like virus | Wales, GB | |
D | Microcell disease | California, Connecticut |
C.M.R. 13, 188, ch. 24, app 188-24-A