Need more input on fish pathogens from State Fish Pathologist and shellfish pathogens from U.S.F.&W.S. Shellfish Aquaculture Laboratory in Milford here!
Threatening (CT) Freshwater Nuisance Pathogens
Largemouth bass virus
Bacterial kidney disease
Enteric red mouth
List of most common transport vectors in CT:
Anglers (Recreational/Commercial/Bait bucket transfers/ Illegal Transfers)
Private Fish Hatcheries/Aquaculture/Commercial Fish Suppliers/Biological Suppliers
Water Garden Trade
Commercial Operations (Weed Harvesters/Aquatic construction equipment/Dredgers/Entertainment/ Commercial Water Suppliers)
Research Facilities/Educational Institutions
Table 1. List of Established and Threatening aquatic nuisance fish species, most likely transport vectors and current threat level (1 = greatest threat, 2 = modest threat, 3 = low threat).
Status Species Vectors Threat Level
Landlocked Alewife (Alosa psuedoharengus) 2, 9, 10, 11 1
Tench (Tinca tinca) 2 1
Bowfin (Amia clava) 2,3, 5 1
Ide or Orfe (Leuciscus idus) 2 1
Goldfish (Carassius auratus) 5 1
Koi (Cyprinus carpio)? 5 1
Gizzard Shad (Dorosoma cepedianum) 2, 9, 10, 11 1
Green sunfish (Lepomis cyanellus) 2, 3, 1
Snakeheads 5, 6 3
Black carp (Mylopharyngodon picues) 3 2
Silver carp (Hypophthamicthys molitrix) 3 1
Bighead carp (Aristichthys nobilis) 3 1
Crucian carp (Carassius carassius) 3 3
Grass carp, diploid (Ctenopharyngodon idella) 3 1
Rudd (Scardinius erythrophthalmus) 2 1
Round Goby 1, 2 3
Ruffe 1, 2 3
Gars (Lepisosteidae spp.) 3 3
Walking catfish (Clarias batrachus) 3 3
Hybrid Striped bass
(Morone saxatilis X Morone spp.) 2, 3 1
Piaranha spp. (Family: Characidae) 5 3
Miscellaneous aquarium fishes 5 1
Unidentified Bait fish 3 1
Table 2. List of Established and Threatening aquatic nuisance invertebrate species, most likely transport vectors and current threat level (1 = greatest threat, 2 = modest threat, 3 = low threat).
Status Species Vectors Threat Level
Zebra Mussel (Dreissena polymorpha) 1, 2, 7 1
Asian clam (Corbicula fluminea) 1, 2,5, 7 1
Brackish water mussels (Mytilopsis leucophaeata) 1, 2, 7 1
Crayfish spp 2, 3, 5, 8, 11 1
Quagga mussel 1, 2 1
Spiney water flea 1, 2 2
Fishhook water flea 1, 2 2
New Zealand Mud snail ? 2
Amphipods 1? 2
Iospods 1? 2
Shrimp (Echino gammuarus) ? 2
Miscellaneous aquarium organisms 5 1
Bait 3 1
Management Objectives and Actions:
Objective 1: Coordination:
Strategic Action 1A: Coordinate Connecticut AIS Management Activities
Strategic Action 1B: Coordinate With Other States and Nations to Prevent Interstate and International Transport of AIS
Strategic Action 1C: Coordinate with Federal Agencies to Develop Regional Priorities and Sound Management Activities at the federal Level
Objective 2: Prevention:
Strategic Action 2A: Assess the Risks and Types of introduction Through Priority Transport Vectors
Strategic Action 2B: Coordinate with Industry Representatives to Minimize Introductions of Invaders Through Priority Transport Vectors
Strategic Action 2C: Educate Industry Representatives Regarding Possible Means of Introductions Through Development and dissemination of Targeted Outreach Materials
Strategic Action 2D: Improve Data Management As It Relates to AIS Distribution in Connecticut Watersheds and in the Northeast Region
Strategic Action 2E: Reduce the Threat of Introductions Via Commercial Shipping (Ballast Water and Hull Fouling)
Strategic Action 2F: Prevent New Introductions of AIS Via Recreational Boating and Fishing.
Strategic Action 2G: Prevent New Introductions of AIS Through the Seafood Industry and the Freshwater Fish Market.
Strategic Action 2H: Prevent the Introduction and Spread of Organisms and
Pathogens Through the Aquaculture Industry.
Strategic Action 2I: Prevent Introductions of AIS to Freshwater and Marine Systems Via the Bait Industry.
Strategic Action 2J: Prevent New Introductions of AIS Through the Aquarium Trade, Nurseries and Water Garden Suppliers, and Other Wetland Vegetation Growers.
Strategic Action 2K: Prevent New Introductions of AIS by Aquatic Research Facilities and Public Aquaria.
Strategic Action 2L: Prevent New Introductions of AIS to Freshwater and Marine Systems Through Aquatic Organism Supply Companies (Including Internet Sales).
Strategic Action 2M: Prevent New Introductions of AIS to Freshwater Systems Through Water Resources Projects and Fish Ladders.
Strategic Action 2N: Prevent New Introductions of AIS to Freshwater Systems Through Commercial Construction Operators (Weed Harvesters, Water Transporters, Dredgers, etc.).
Objective 3: Monitoring/Early Detection
Strategic Action 3A: Monitor the Introduction and Spread of AIS in Connecticut Coastal and Freshwater Systems. (Combine items 3A and 3B).
Strategic Action 3B: Assist in the Development of Improved Technology for Monitoring the spread of Nonindigenous Organisms.
Strategic Action 3C: Conduct General Monitoring of Aquatic Environments to Detect the Introductions of Nonindigenous Species to Waters of the State or the Spread of Established Aquatic Invaders to Previoulsy Uninfested Waters. (Moved from Mass. Objective 4)
Strategic Action 3D: Evaluate the Risk of Introductions of Priority species Not Yet Established in Connecticut. (Moved from Mass. Objective 4).
Objective 4: Early Detection/Eradication (Strategic Action Items moved to other Objectives)
Objective 4: Control/Eradication
Strategic Action 4A: Implement Early Response Protocols Outlined in Objective 3 for Newly Detected Infestations of AIS
Strategic Action 4B: Support Development of Improved Control Technologies for Established Populations of AIS
Strategic Action 4C: Identify Priority Marine and Freshwater Invasive Species for Management Actions
Strategic Action 4D: Identify and Disseminate Information on Existing Control Mechanisms for Priority Species
Strategic Action 4E: Expand Funding for Local Invasive Species Management and Related Projects
Strategic Action 4F: Monitor and Document the Effectiveness of AIS Control Efforts
Strategic Action 4G: Continue to Implement Efforts to Control Established Populations of AIS
Strategic Action 4H: Creation of Targeted Habitat to Protect Indigenous Spp. Diversity (New)
Strategic Action 4I: Identify Funding and Personnel Resources for the Eradication of New Introductions to Previously Uninfested Waters (From Mass. Objective 4, Strategic Action 4B)
Strategic Action 4J: Develop a Response Protocol for the Eradication of Newly Established AIS (From Mass. Objective 4, Strategic Action 4C)
Objective 5: Education
Strategic Action 5A: Develop and Distribute Educational Materials Related to Regional Invasive Species Issues
Strategic Action 5B: Develop and Distribute Materials Targeted at Designated Priority AIS
Strategic Action 5C: Develop and Distribute Materials Targeted at AIS Transport Vectors
Objective 6: Research
Strategic Action 6A: Identify Research Priorities for Connecticut and the Region
Objective 7: Legislation:
Strategic Action 7A: Evaluate Connecticut’s Authority to Restrict the Introduction of Specific Aquatic Species Designated as Threats to the Ecology and Economy of the State
Strategic Action 7B: Make General Recommendations for Additional State and Federal Legislative Needs to Minimize Impacts from AIS.
Strategic Action 7C: Make General Recommendations for Additional State and Federal Legislative to Create Targeted Habitat for Indigenous Species of Special Concern
Objective 8: Funding:
Strategic Action 8A: Secure Funding for ?????