fish week 2

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Fish this week: burbot, alewife, gizzard shad, northern pike, muskellunge, central mudminnow, brown trout, rainbow trout, lake trout, and cisco -- Terms this week: catadromous life cycle, anadromous life cycle, and potamodromous life cycle

Last updated 7:29 PM on 8/31/23
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43 Terms

1
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catadromous life cycle
eggs are laid in __saltwater__, spend most of their lives in __freshwater__, then go back to __saltwater__ to breed and lay eggs
2
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anadromous life cycle
eggs are laid in __freshwater__, spend most of their lives in __saltwater__, then go back to __freshwater__ to breed and lay eggs
3
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potamodromous life cycle
eggs are laid __upstream__, spend most of their lives __downstream__, then go back __upstream__ to breed and lay eggs
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burbot order
Gadiformes
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burbot family
Gadidae
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burbot scientific name
*Lota lota*
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burbot characteristics
* single barbel on chin
* longer dorsal and anal fins
* small pelvic fins positioned anterior(in front of) to pelvic fins
* 2 dorsal fins; 1 short 1 long
* mottled light and dark brown color
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alewife order
Clupeiformes
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alewife family
Clupeidae
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alewife scientific name
*Alosa pseudoharengus*
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alewife characteristics
* saw-tooth keel on belly
* oblique mouth
* no lateral line
* lower jaw meets/extends beyond snout
* forked caudal fin
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gizzard shad order
Clupeiformes
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gizzard shad family
Clupeidae
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gizzard shad scientific name
*Dorosoma cepedianum*
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gizzard shad characteristics
* long, whip-like ray on end of dorsal fin
* blunt snout
* no lateral line
* notch in upper center of jaw
* saw-tooth keel on belly
* subterminal mouth
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northern pike order
Esociformes
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northern pike family
Esocidae
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northern pike scientific name
*Esox lucius*
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northern pike characteristics
* light spots on darker background
* prominent jaw shaped like duck bill
* dorsal and anal fins positioned far back
* \~5 submandibular pores on each side of lower jaw
* fully scaled cheek & partially scaled operculum
* adults grow to 56 inches
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muskellunge order
Esociformes
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muskellunge family
Esocidae
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muskellunge scientific name
*Esox masquinongy*
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muskellunge characteristics
* rows of dark spots on light body
* 6-10 submandibular pores on each side of lower jaw
* prominent jaw shaped like a duck bill
* dorsal and anal fins far back on body
* adults grow up to 72 inches

\*small specimen in lab
24
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central mudminnow order
Esociformes
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central mudminnow family
Esocidae
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central mudminnow scientific name
*Umbra limi*
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central mudminnow characteristics
* rounded caudal fin w/ black bar at base
* dark, vertical bars on body length
* dorsal fin in front of anal fin base (dorsal fin 2x length of anal fin)
* relatively small; up to 6 inches

\*remember black bar and round caudal fin for future weeks
28
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brown trout order
Salmoniformes
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brown trout family
Salmonidae
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brown trout scientific name
*Salmo trutta*
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brown trout characteristics
* orange/red adispose fin
* dark (red or black) spots w/ pale halo on body
* many spots on operculum
* square, unforked tail
* usually no spots on tail
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rainbow trout order
Salmoniformes
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rainbow trout family
Salmonidae
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rainbow trout scientific name
*Oncorhynchus mykiss*
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rainbow trout characteristics
* slightly forked tail
* small, irregular spots on body
* radiating pattern of spots on tail
* adispose fin present
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lake trout order
Salmoniformes
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lake trout family
Salmonidae
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lake trout scientific name
*Salvelinus namaycush*
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lake trout characteristics
* light, bean-shaped spots on darker body
* deeply forked caudal fin
* white anterior edge on ventral fins
* adispose fin present
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cisco order
Salmoniformes
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cisco family
Salmonidae
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cisco scientific name
*Coregonus artedi*
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cisco characteristics
* long body, round in cross section
* terminal mouth with no canines
* lateral line present
* solid color with no prominent markings
* adispose fin present