List of invasive aquatic plants that may have already invaded our watershed due to their ability to tolerate low salinity levels in the water:

Aphanius (Atherina) boyeri/ Black Sea Silverside
Benthophilus stellatus/ Starry goby
Botrylloides violaceus/ Violet Tunicate
Botryllus schlosseri/ Golden Star Tunicate
Carassius auratus/ Goldfish
Carcinus maenus/ Green Crab
Channa argus/ Northern Snakehead
Colpomenia peregrine/ Oyster Thief
Ctenopharyngodon idella/ Grass Carp
Dorosoma cepedianum/ Gizzard Shad
Eriocheir sinensis/ Mitten Crab
Esox niger/ Chain Pickerel*
Gambusia affinis/ Mosquitofish
Gymnocephalus cernuus/ Eurasian Ruffe
Hemigrapsus sanguineus/ Asian Shore Crab
Hypophthalmichthys molitrix/ Silver Carp
Lepomis humilis/ Orangespotted Sunfish
Leuciscus idus/ Golden Orfe
Neogobius melanostomus/ Round Goby
Orconectes rusticus/ Rusty Crayfish
Perca fluviatilis/ European Perch
Proteorhinus semilunaris/ Tubenose Goby
Urosalpinx cinerea/ Oyster Drill

A List of invasive alien insects and arachnids in New Brunswick, and possibly in our watershed:

Adelges piceae/ Balsam Woolly Adelgid
Chiracanthium mildei/ Black-footed Spider
Coleophora laricella/ Larch Casebearer
Coleophora serratella/ Birch Casebearer
Cryptococcus fagisuga/ Beech Scale*
Diprion similis/ Introduced Pine Sawfly
Fenusa pusilla/ Birch Leafminer
Forficula auricularia/ European Earwig
Gilpinia hercyniae/ European Spruce Sawfly
Lymantria dispar/ Gypsy Moth
Operophtera brumata/ Winter Moth*
Orgyia antiqua/ Rusty Tussock Moth
Orgyia leucostigma/ Whitemarked Tussock Moth
Paravespula vulgaris/ Common Yellow-jacket Hornet
Pristiphora erichsonii/ Larch Sawfly
Pristiphora geniculata/ Mountain Ash Sawfly
Profenusa thomsoni/ Ambermarked Birch Leafminer
Rhyacionia buoliana/ European Pine Shoot Moth
Taeniothrips inconsequens/ Pear Thrips
Xanthogaleruca luteola/ Elm Leaf Beetle

List of invasive plants (alien) and fungus species in our watershed:

Alliaria petiolata/ Garlic Mustard*
Celastrus orbiculatus/ Oriental bittersweet*
Chelidonium majus/ Celandine, Swallow Wort, Wartweed
Cronartium ribicola/ White Pine Blister Rust
Lupinus arboreus/ Bush Lupine
Lythrum salicaria/ Purple loosestrife*
Ophiostoma ulmi/ Dutch Elm Disease*
Pinus sylvestris/ Scots Pine, Scotch Pine
Sirococcus clavigignenti-juglandacearum/ Butternut Canker

*Species with high threat status as indicated in the Canadian Wildlife Federation’s Invasive Species in Canada publication: Canadian Wildlife Federation, 2003, Invasive Species in Canada