Name: 
 

Marine Biology Fish and Fishing 2016 Practice



True/False
Indicate whether the statement is true or false.
 

 1. 

The presence of colored stripes, bars, or spots on reef fishes is generally a form of warning coloration associated with toxins or bad taste.
 

 2. 

Bony fishes have much larger livers than cartilaginous fishes.
 

 3. 

Limited entry fishing, limits the number of fish caught by any one fisherman.
 

 4. 

tf004-1.jpg
The sailfish has a highly modified dorsal fin.
 

 5. 

The most common defensive adaptation in the ocean is large teeth.
 

 6. 

Schooling is the most common form of defense among fishes in the ocean
 

 7. 

Bony fishes reproduce primarily by internal fertilization.
 

 8. 

Sharks have shield like scales and fish have hook like scales.
 

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 9. 

Even big fish, like Tuna school.  Schooling  has been hypothesized to serve to
a.
increase the odds of successfully fertilizing eggs during mating season
c.
confuse predators by creating a cloud of shifting individuals.
b.
provide hydrodynamic efficiency for swimming in some cases.
d.
all of the above
 

 10. 

All of the following are true for IFQ’s (individual fish quota’s) except:
a.
it limits the total number of pounds any permitted fishermen can take
d.
it is a form of privatizing a fishery
b.
it has made fishing safer because fishermen can fish when they want
e.
they are used for halibut fisheries in Alaska
c.
it limits the amount of hours a fishermen can fish in a month
 

 11. 

A fish that has a darker colored top side and a lighter colored bottom exhibits an adaptation called
a.
mottled coloration.
b.
warning coloration.
c.
countershading.
d.
disruptive coloration.
 

 12. 

Jawless fishes include
a.
dolphins and porpoises
b.
tuna and salmon
c.
hagfishes and lampreys
d.
sharks and rays
 

 13. 

What is the most likely explanation for the drop in anchovy landings in the 1980’s.

mc013-1.jpg
a.
The fishery was over fished in the late 70’s and early 80’s
c.
Prior to 1985 the fishery had not reached maximum sustainable yield
b.
The rivers that anchovy spawn in were dammed in 1983.
d.
New predators moved into Northern California waters in the mid 1980’s
 

 14. 

This picture shows:

mc014-1.jpg
a.
trawl netting
c.
longlining
b.
pot fishing
d.
gill netting
 

 15. 

Many bony fishes possess a(n) ____________________, which is a thin-walled, internal sac found just below the backbone. By altering the gas pressure in this structure, a fish can control its depth in the water.
a.
durango
c.
liver
b.
air bladder
d.
lung
 

 16. 

Which of the following are credited with keeping Alaskan salmon populations healthy
a.
all of the above
c.
scientific supervision of escapement numbers
b.
intact river habitats with few dams
d.
limited entry fishery
 

 17. 

This picture shows:

mc017-1.jpg
a.
trawl netting
c.
purse seining
b.
longlining
d.
gill netting
 

 18. 

This picture shows:
mc018-1.jpg
a.
purse seining
d.
pot fishing
b.
gill netting
e.
longlining
c.
trawl netting
 

 19. 

All classes of fishes possess a(n) ______________________________, composed of fluid-filled canals arranged along the sides of the body, which permit them to detect movement and vibrations in the water.
a.
lateral line
c.
spiracle
b.
Ampulae of Lorenzinii
d.
operculum
 

 20. 

Which of the following is least likely to help the over-fished stocks of cod in the Grandbanks of New England
a.
subsidizing fishermen to buy new more efficient gear and boats
d.
setting up marine protected areas
b.
limiting the number of boats that can fish
e.
increase the mesh net size used for trawl fishing
c.
moving away from bottom trawling to trolling
 

 21. 

The fins that stabilize fish, preventing them from rolling over to one side are called the
a.
pectoral fins.
b.
anal fins.
c.
dorsal fins.
d.
ventral fins.
 

 22. 

All of the following is true of this type of fishing except :

mc022-1.jpg
a.
its often used to catch halibut
c.
it can cause massive habitat destruction
b.
its called dredging
d.
bycatch of other species is a problem
 

 23. 

The unique pattern of orange, blue, and white colors on this fish is called
mc023-1.jpg
a.
counter shading
c.
disruptive coloration
b.
false coloration
d.
bioluminescence
 

 24. 

Which of the following sets is MOST closely related?
a.
goldfish & shark
c.
shark & stingray
b.
shark & salmon
d.
eel & lamprey
 

 25. 

Select a true statement about this type of fishing.

mc025-1.jpg
a.
dredging or dragging has been a significant source of destruction to cod rearing habitat in the Grand Banks.
c.
dredging or dragging  is used to catch tuna and swordfish in the pacific
b.
dredging or dragging  is used to catch shrimp in the Bay of La Paz, Mexico
d.
both A and C are true
 

 26. 

The type of fishing seen below is used to catch...
mc026-1.jpg
a.
swordfish in the North Pacific
c.
cod in the Grandbanks
b.
salmon in Bristol Bay, Alaska
d.
halibut in Alaska
 

 27. 

This type of fishing is used...
mc027-1.jpg
a.
to catch herring in Alaska
c.
to catch pink salmon in Alaska
b.
to catch tuna in the North Pacific
d.
all of these
 

 28. 

This type of non-bony fish eats...
mc028-1.jpg
a.
fish
c.
plankton
b.
sharks
d.
coral
 

 29. 

The advantages of schooling for larger predatory fish like tuna includes all of the following except
mc029-1.jpg
a.
increased foraging efficiency
c.
increased efficiency in swimming
b.
more success in reproduction
d.
reduced risk of death by predation
 

 30. 

This person is holding up a fishes...

mc030-1.jpg
a.
liver
c.
swim bladder
b.
heart
d.
dorsal fin
 

 31. 

The large structure spilling out of this salmon shark is...
mc031-1.jpg
a.
swim bladder
c.
gills
b.
lungs
d.
liver
 

 32. 

Sailfish, swordfish, and marlin use their bills to
mc032-1.jpg
a.
bat prey out of schools
c.
stab prey to kill them
b.
cut prey so they bleed to death
d.
enhance their echolocation
 

Matching
 
 
Match the color pattern function with the structure.
a.
grp001-1.jpgred in color
d.
grp001-4.jpgeyespots
b.
grp001-2.jpgcounter shading
e.
grp001-5.jpgwarning coloration
c.
grp001-3.jpg disruptive
f.
grp001-6.jpgmottled
 

 33. 

blends in from top down with dark colored depth, from bottom up with sky above
 

 34. 

found in dark or dim lit areas
 

 35. 

break up outline of fish and help it blend in with the background
 

 36. 

signals fish is likely poisonous
 

 37. 

blends in with sandy and rocky bottoms
 

 38. 

moves predator’s target (head) to the wrong end, so the fish can escape predator
 
 
Match each fish to its fin style
a.
grp002-1.jpg
d.
grp002-4.jpg
b.
grp002-2.jpg
e.
grp002-5.jpg
c.
grp002-3.jpg
f.
grp002-6.jpg
 

 39. 

lunate caudal fin
 

 40. 

minimized (or non functional caudal fin)
 

 41. 

continuous dorsal fin
 

 42. 

enlarged pectoral fins
 

 43. 

symmetrical hemocercal (truncate) caudal fin
 

 44. 

non-symmetrical heterocercal caudal fin
 
 
Choose the feeding type that is best associated with the fish mouth structure shown.
a.
grp003-1.jpg
d.
grp003-4.jpg
b.
grp003-2.jpg
e.
grp003-5.jpg
c.
grp003-3.jpg
 

 45. 

feeds on prey above it in the water column
 

 46. 

preys on other fish
 

 47. 

nibbles on coral and algae
 

 48. 

a parasite on other fish
 

 49. 

usually feeds on prey below it; bottom feeders
 
 
Match the fish to its group (use each answer only once):
a.
grp004-1.jpg
c.
grp004-3.jpg
b.
grp004-2.jpg
d.
grp004-4.jpg
 

 50. 

Condrichthyes
 

 51. 

Ostychthyes
 

 52. 

Rajiformes
 

 53. 

Agnatha
 



 
Check Your Work     Start Over