Midterm 1

Question 1

What are the 4 shared characteristics of chordates?

Answer 1

notochord, pharyngeal slits, dorsal hollow nerve chord, and post anal tail

Question 2

what do amphibians, fish, and reptiles have in common?

Answer 2

ectotherms

Question 3

What characteristics do sharks have in common?

Answer 3

filter feeders, placoid scales, cartilaginous skeleton

Question 4

what characteristics do skates and rays have in common?

Answer 4

similar body shape, fused fins, cartilaginous skeleton

Question 5

how are skates and rays different?

Answer 5

skates have barbs at the end of their tail and rays have stinging spikes that produce a voltage up to 200V

Question 6

what is the adipose fin and where is it located?

Answer 6

it is a fat filled fin used for finding a mate. It is located on the dorsal side between he dorsal fin and the caudal fin

Question 7

what kind of fish has an adipose fin?

Answer 7

bony fish

Question 8

what is an inferior feeder?

Answer 8

bottom feeder

Question 9

what is a superior feeder?

Answer 9

Eats prey above it

Question 10

what is a subterminal feeder?

Answer 10

eats prey just above the bottom

Question 11

what is a terminal feeder?

Answer 11

eats prey in front of it

Question 12

what are the three kinds of bony fish scales?

Answer 12

ganoid, cycloid, ctenoid

Question 13

Order ceratodontiformes includes……

Answer 13

Lungfish

ex. South American Lungfish

Question 14

order lepidosireniformes includes……

Answer 14

Lungfish

Question 15

characteristics of order coelacanthiformes

Answer 15

fat-filled swim bladder, inter-cranial joint

Question 16

order osteoglossiformes includes…….

Answer 16

moneys and goldeyes

Question 17

What are some main characteristics of order Osteoglossiformes?

Answer 17

the goldeyes have gold eyes and the mooneyes have silver eyes. they have cycloid scales and about 60 fin rays in the caudal fin

Question 18

Order Anguilliformes includes…….

Answer 18

eels

Question 19

Characteristics of order Anguilliformes

Answer 19

lack pectoral fins, continuous anal and dorsal fin, cycloid scales are absent or embedded, not very good at swimming

Question 20

order Clupieformes includes….

Answer 20

herring, shad, and anchovies

ex. pacific herring, American shad, Northern Anchovie

Question 21

Characteristics of order Clupieformes

Answer 21

soft fins, pelvic fin is below the dorsal fin, swim bladder is connected to the ear, thin body, schooling fish

Question 22

Weberian apparatus

Answer 22

swimbladder is connected tot he skull to enhance hearing

Question 23

order Cypriniformes includes…..

Answer 23

Suckers, carps, minnows, goldfish

ex. white sucker, brassy minnow

Question 24

Characteristics of order Cypriniformes

Answer 24

contractile mouth, pharyngeal teeth, feed near the bottom

Question 25

Order Siluriformes includes.....

Answer 25

catfish | ex. black bullhead and brown bullhead

Question 26

characteristics of order Siluriformes

Answer 26

barbels and whiskers, flatter head, lack inter muscular fins

Question 27

order Esociformes includes......

Answer 27

pikes and mud minnows

Question 28

Characteristics of order Esociformes

Answer 28

sharp teeth, swim bladder, and cycloid scales

Question 29

order Salmoniformes includes.....

Answer 29

smelts, trout, salmon | ex. surf smelt, rainbow trout, sockeye salmon

Question 30

Characteristics of order Salmoniformes

Answer 30

marine and freshwater, forked caudal fin, dorsal fin far on back

Question 31

order Gadiformes includes.....

Answer 31

cod | ex. Pacific tomcod

Question 32

Characteristics of order Gadiformes

Answer 32

physoclistous swim bladder, pelvic fins below or in-front of pectoral fins

Question 33

order Percopsiformes includes.......

Answer 33

perch | ex. trout perch

Question 34

Characteristics of order Percopsiformes

Answer 34

small, spiny rays, adipose fin

Question 35

order Batrachoidiformes includes.......

Answer 35

toadfish | ex. Plainfin Midshipman

Question 36

Characteristics of order Batrachoidiformes

Answer 36

luminescent, 2 chambered swimbladder

Question 37

what is the use of a 2-chambered swimbladder? and how does it work?

Answer 37

used to attract a mate, air moves between bladders and creates a loud vibration

Question 38

order Lophiiformes includes....

Answer 38

anglerfish

Question 39

Characteristics of order Lophiiformes

Answer 39

male is a "bag of gonads" attached to female and is technically parasitic

Question 40

order Beloniformes includes....

Answer 40

flying fish | ex. California flying fish

Question 41

Characteristics of order Beloniformes

Answer 41

beats caudal fin back and forth to fly, caudal fin shaped like wings

Question 42

Order Cyprinodontiformes includes......

Answer 42

Devils hole pupfish and mosquito fish

Question 43

Characteristics of order cyprinodontiformes

Answer 43

freshwater, live-bearers, small

Question 44

order Gasterosteiformes includes......

Answer 44

seahorses, pipefish, tubesnout, stickleback

Question 45

Characteristics of order Gasterosteiformes

Answer 45

bony plated scales, males have egg pouches, small tail, spines

Question 46

order Scorpaeniformes includes.......

Answer 46

rockfish, sculpin, greenlings, lingcod, snailfish

Question 47

Characteristics of order Scorpaeniformes

Answer 47

bottom oriented, large round pectoral fins, large head, rounded caudal fins, many spines and bony plates, physcoclistous swimbladder

Question 48

order Perciformes includes....

Answer 48

walleye, pumpkinseed and yellow perch

Question 49

Characteristics of order Perciformes

Answer 49

predators, fin spines absent, double dorsal fins, pelvic fins thoracic or jugular or absent, premaxilla is the only bone on upper jaw, physoclistous swimbladder

Question 50

order Pleuronectiformes includes....

Answer 50

starry flounder and halibut

Question 51

Characteristic of order Pleuronectiformes

Answer 51

Some are not bilaterally symmetrical, stay near bottom, big, no swimbladder, halibut have a small gut cavity

Question 52

order Tetradontiformes includes....

Answer 52

puffers and small box fishes | ex. ocean sunfish

Question 53

Characteristics of Tetradontiformes

Answer 53

slow moving, bones fused to jaw, leathery skin, watery muscle, some ar without a swimbladder, the sunfish has no caudal fin and female can produce 300million eggs