Studied by 9 peopleFish 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
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
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
potamodromous life cycle
eggs are laid upstream, spend most of their lives downstream, then go back upstream to breed and lay eggs
burbot order
Gadiformes
burbot family
Gadidae
burbot scientific name
Lota lota
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
alewife order
Clupeiformes
alewife family
Clupeidae
alewife scientific name
Alosa pseudoharengus
alewife characteristics
saw-tooth keel on belly
oblique mouth
no lateral line
lower jaw meets/extends beyond snout
forked caudal fin
gizzard shad order
Clupeiformes
gizzard shad family
Clupeidae
gizzard shad scientific name
Dorosoma cepedianum
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
northern pike order
Esociformes
northern pike family
Esocidae
northern pike scientific name
Esox lucius
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
muskellunge order
Esociformes
muskellunge family
Esocidae
muskellunge scientific name
Esox masquinongy
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
central mudminnow order
Esociformes
central mudminnow family
Esocidae
central mudminnow scientific name
Umbra limi
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
brown trout order
Salmoniformes
brown trout family
Salmonidae
brown trout scientific name
Salmo trutta
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
rainbow trout order
Salmoniformes
rainbow trout family
Salmonidae
rainbow trout scientific name
Oncorhynchus mykiss
rainbow trout characteristics
slightly forked tail
small, irregular spots on body
radiating pattern of spots on tail
adispose fin present
lake trout order
Salmoniformes
lake trout family
Salmonidae
lake trout scientific name
Salvelinus namaycush
lake trout characteristics
light, bean-shaped spots on darker body
deeply forked caudal fin
white anterior edge on ventral fins
adispose fin present
cisco order
Salmoniformes
cisco family
Salmonidae
cisco scientific name
Coregonus artedi
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
Note
Flashcard