Please note that High Risk species are species that should be avoided for trading. If the species you want is in this category, then please look at alternative species in trade that are in the Low Risk species category. The request to avoid these species for trading is for particular parts of the US where climatic requirements (temperature and precipitation) of species is suitable for survival in the environment. Likewise, species that are listed as Uncertain Risk should be avoided for trading. This information is presented in the ERSSs. If you need assistance, please seek out professionals that are knowledgeable about the species and your particular situation. 

Fish:

High Risk

• Alewife (Alosa pseudoharengus)

• Bitterling, Rose (Rhodeus ocellatus)

• Black Acara (Cichlasoma bimaculatum)

• Bleak (Alburnus alburnus)

• Carp, Common (Cyprinus carpio)

• Carp, Crucian (Carassius carassius)

• Carp, Grass (Ctenopharyngodon idella)

• Carp, Prussian (Carassius gibelio)

• Catfish, Blue (Ictalurus furcatus)

• Catfish, Flathead (Pylodictis olivaris)

• Catfish, Wels (Silurus glanis)

• Firefish, Devil (Pterois miles)

• Goby, Round (Neogobius melanostomus)

• Guapote, Jaguar (Parachromis managuensis)

• Guppy (Poecilia reticulata)

• Lion Fish, Red (Pterois volitans)

• Minnow, Eurasian (Phoxinus phoxinus)

• Moroko, Stone (or topmouth gudgeon) (Pseudorasbora parva)

• Mrigal (Cirrhinus cirrhosus)

• Perch, European (Perca fluviatilis)

• Perch, Nile (Lates niloticus)

• Perch, White (Morone americana)

• Powan (Coregonus lavaretus)

• Roach (Rutilus rutilus)

• Rudd (Scardinius erythrophthalmus)

• Ruffe (Gymnocephalus cernua)

• Sailfin Catfish, Amazon (Pterygoplichthys pardalis)

• Sailfin Catfish, Orinoco (Pterygoplichthys multiradiatus)

• Sailfin Catfish, Vermiculated (Pterygoplichthys disjunctivus)

• Shiner, Red (Cyprinella lutrensis)

• Silverside, Argentinian (Odontesthes bonariensis)

• Sleeper, Amur (Perccottus glenii)

• Tilapia, Banded (Tilapia sparrmanii)

• Tilapia, Blackchin (Sarotherodon melanotheron)

• Tilapia, Blue (Oreochromis aureus)

• Tilapia, Mozambique (Oreochromis mossambicus)

• Tilapia, Nile (Oreochromis niloticus)

• Tilapia, Redbelly (Tilapia zillii)

• Tilapia, Spotted (Tilapia mariae)

• Tucunaré Amarela (Cichla kelberi)

• Vendace (Coregonus albula)

• Wakasagi (Hypomesus nipponensis)

• Weatherfish, Oriental (Misgurnus anguillicaudatus)

• Whitefish, Northern (Coregonus peled)

• Yellowfin Goby (Acanthogobius flavimanus)

• Zander (Sander lucioperca)
  
  

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Crayfish:

High Risk:

• Crayfish, Northern Clearwater (Orconectes propinquus)

• Crayfish, Red Swamp (Procambarus clarkii)

• Crayfish, Rusty (Orconectes rusticus)

• Crayfish, Signal (Pacifastacus leniusculus)

• Crayfish, Spiny-Cheek (Orconectes limosus)

• Crayfish, Virile (Orconectes virilis)

• Redclaw, Australian (Cherax quadricarinatus)

• Yabby (Cherax destructor)
  
  

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Mollusks:

High Risk:

• Clam, Asian (Corbicula fluminea)

• Mudsnail, New Zealand (Potamopyrgus antipodarum)

• Mussel, Chinese Pond (Sinanodonta woodiana)

• Mussel, Golden (Limnoperna fortunei)

• Mussel, Quagga (Dreissena rostriformis bugensis)

• Mussel, Zebra (Dreissena polymorpha)

• Snail, Faucet (Bithynia tentaculata)

• Snail, Giant African (Achatina fulica)

• Snail, Wrinkled Dune (Candidula interseca)

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