Quiz 2

Question 1

Answer 1

Acipenseridae
Acipenser fulvescens
Shovelnose snout, fleshy protrusible lips, heterocercal tail
Smooth barbels, two lobes on lower lip
Deep caudal peduncle

Question 2

Answer 2

Acipenseridae
Scaphirhynchus platorynchus
Shovelnose snout, fleshy protrusible lips, heterocercal tail
Barbels with lateral extensions, four lobes on lower lip
Slender cauda peduncle

Question 3

Answer 3

Lepisosteidae
Lepisosteus osseus
Beak-like snout with many teeth, abbreviate heterocercal tail
Snout length 12-15 times its smallest width, snout 2/3 of the head

Question 4

Answer 4

Lepisosteidae
Lepisosteus platostomus
Beak-like snout with many teeth, abbreviate heterocercal tail
Snout length about 6 times or less its width

Question 5

Answer 5

Amiidae
Amia calva
long dorsal fin, gular bone present

Question 6

Answer 6

Anguillidae
Anguilla rostrata
One set of paired fins, continuous dorsal fin, caudal, and anal fins

Question 7

Answer 7

Clupeidae
Alosa chrysochloris
Sawtooth margin along keel, no lateral line, pelvic auxiliary process
Last dorsal ray not prolonged, predorsal median line scaled
Dark upper half

Question 8

Answer 8

Clupeidae
Also pseudoharengus
Sawtooth margin along keel, no lateral line, pelvic auxiliary process
Last dorsal ray not prolonged, predorsal median line scaled
Large eye, diameter greater than snout length

Question 9

Answer 9

Clupeidae
Dorosoma sepedianum
Sawtooth margin along keel, no lateral line, pelvic auxiliary process
Last dorsal ray prolonged, dark purple-blue shoulder spot
Subterminal mouth

Question 10

Answer 10

Hiodontidae
Hiodon alosoides
Smooth keel, pelvic auxiliary process
Anterior edge of dorsal fin is even or slightly behind anterior edge of anal fin, fleshy midventral keel

Question 11

Answer 11

Hiodontidae
Hiodon tergisus
Smooth keel, pelvic auxiliary process
Anterior edge of dorsal fin in front of anal fin, fleshy midventral keel