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- single, continuous dorsal fin
- oral disc wider than head
- unicuspid teeth
- smaller than sea lamprey
silver lamprey characteristics
Petromyzontiformes
Petromyzontidae Ichthyomyozon unicuspis
silver lamprey (order, family, genus, species)
- 2 seperate dorsal fins
- oral disc wider than head
- round caudal fin
- bicuspid teeth
sea lamprey characteristics
Petromyzontiformes
Petromyzontidae Petromyzon marinus
sea lamprey (order, family, genus, species)
- two separate dorsal fins
- oral disc smaller than head
- unicuspid teeth, blunt
American brook lamprey characteristics
Petromyzontiformes
Petromyzontidae Lethenteron appendix
American brook lamprey (order, family, genus, species)
- flat, shovel-like snout
- 4 barbels
- 4 fleshy lobes on lower lip
shovelnose sturgeon characteristics
Acipenseriformes Acipenseridae Scaphirhynchus platorhynchus
shovelnose sturgeon (order, family, genus, species)
- long snout rounded at end (like a paddle)
- large, fleshy pointed flap on rear edge of gill cover
- 2 sets of paired fins
American paddlefish characteristics
Acipenseriformes Polyodontidae Polyodon spathula
American paddlefish (order, family, genus, species)
- long, narrow snout
- spots on body except head and snout
- long body with diamond scales
longnose gar characteristics
Lepisosteiformes Lepisosteidae Lepisosteus osseus
longnose gar (order, family, genus, species)
- thick, long snout
- spots on all of the body including head and snout
- has diamond shaped scales
- not as thin a body as longnose gar
spotted gar characteristics
Lepisosteiformes Lepisosteidae Lepisosteus oculatus
spotted gar (order, family, genus, species)
- long, continuous dorsal fin
- bony gular plate ("chin")
- tubular nostrils
bowfin characteristics
Amiiformes Amiidae Amia calva
bowfin (order, family, genus, species)
- untoothed keel along belly from pelvic fin base to anal fin
- lateral line present
- small head with large eyes
mooneye characteristics
Hiodontiformes Hiodontidae Hiodon tergisus
mooneye (order, family, genus, species)
- paired set of pectoral fins
- small, single gill slit
- long, continuous dorsal fin
American eel characteristics
Anguilliformes Anguillidae Anguilla rostra
American eel (order, family, genus, species)
silver lamprey
what is the common name
sea lamprey
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American brook lamprey
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shovelnose sturgeon
what is the common name
American paddlefish (paddlefish)
what is the common name
longnose gar
what is the common name
spotted gar
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bowfin
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mooneye
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American eel
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dorsal fin
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operculum
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pectoral fin
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pelvic fin
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anal fin
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caudal fin
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lateral line
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Note 
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