FNR 24250 - Fish Week 1

- 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

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American paddlefish (paddlefish)

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longnose gar

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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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