Lecture 1

Question 1

Agnatha

Answer 1

Primitive, jawless fish, ex: hagfish

Question 2

Chondrichthyes

Answer 2

jawed fish, cartilaginous skeleton, ex: shark, rays, rat-fish

Question 2

Osteichthyes

Answer 2

bony skeleton, ex: lungfish, bass, salmon

Question 3

Fusiform

Answer 3

spindle like, tuna, thick in middle tappers off at both ends
- fast swimmer, live in open water
- rover predators

Question 4

Compressiform

Answer 4

compressed laterally, ex: blue gill
- quick turns
- quick, small bursts of speed
-live where there is refuge

Question 5

depressiform

Answer 5

compressed vertically, ex: skates, rays
- live on bottom
- flap fins to swim

Question 6

Anguilliform

Answer 6

snake/eel shaped, ex: eels
-good at hiding
-foraging in small spaces

Question 7

Filiform

Answer 7

thread/filament-like, ex: pipe fish
-good at hiding/foraging in small spaces

Question 8

Taeniform

Answer 8

ribbon, ex: ribbon fish

Question 9

sagittiform

Answer 9

arrow shape, ex: pike
-ambush predator
-fast acceleration (look at caudal and dorsal fin position)

Question 10

globiform

Answer 10

globe shape/shpere, ex: lumpfish
-slows swimmers
- defense strategies