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11. What is a spinner? When the dun rests for a few days it
molts into a spinner and this is when they
reproduce
12. Describe the position of the wings in mayflies, caddis flies
and stoneflies.
Mayflies have 2 large upright wings, and 2 small hind wings.
Caddis flies have 4wings in the shape of a V. Stoneflies have wings
that lie flat on their back.
13. What is the life cycle of the caddis fly?Egg, larvae, pupa,
adult
14. How do you recognize a stonefly nymph?They have very flat
bodies and 3 very visible wing pads
15. Although there are many variations, what are the 3 main
species of trout in the US?Rainbow, brown, and brook
16. What are vermiculations and what species of trout has them?
Wavy lines on the brook trout that resemble worm tracks
17. What is a Kype and what does it indicate?A hooked portion of
the lower jaw, it identifies males
18. What is the operculum?The external gill cover
19. What is the function of the lateral line?It helps them
navigate, look for prey, avoid predators and helps with
schooling
20. What is the biggest fin on the trout and what is it used
for?The caudal fin is the biggest and the fish uses it to propel
itself forward. 21. Name 3 unpaired fins in trout and many other
species of fish. Dorsal, anal, and adipose fin
22. How many chambers does the trout heart have?It has 2
chambers
23. What is the function of the liver and gall bladder?The liver
stores metabolic products of digestion and the gall bladder stores
bile
produced by liver
24. What does the float bladder do in fish?It allows the fish to
be buoyant in the water
25. What is a Redd?An area in the gravel that the female digs
out to lay eggs
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26. What is a fry?The first time in a fishes life that it is
free swimming
27. What are Parr marks?
Dark vertical lines on a several week old trout
28. What is a colormetric test?A test where the results are
determined by color
29. What is a titrimetric test?A test conducted by adding a
solution of known strength to a specific volume of a
sample in the presence of an indicator
30. Describe what the term meniscus means when measuring volume
in a narrow tube.The meniscus is the bowl shape formed in the tube
and you need to read the
bottom of that 31. Explain what dissolved oxygen is.It is oxygen
that is in the water mostly from aquatic plants that is
distributed
through current turbulence and other things32. Describe the
difference between hypoxia and anoxia.Hypoxia refers to a very low
level of dissolved while anoxia refers to water with
nearly an absence of dissolved oxygen.33. What is pH a measure
of and what is an ideal level for most aquatic organisms?It refers
to the concentration of hydrogen ions and a good level is
somewhere
between 6.5 and 8.234. Why do we measure nitrate and phosphate
levels in stream water quality testing?We measure them because
excess levels of nitrates and phosphates stimulate
excessive algae growth.35. What is eutrophication?It is an
increase in the concentration of nutrients in water which causes in
increase
in productivity of the ecosystem.36. How do alkalinity and pH
differ?Alkalinity refers to the capability of water to neutralize
an acid which is buffering
capacity with ph refers to the concentration of hydrogen ions
and how acidic orbasic the water is.
37. What is alkalinity and why do we measure it?Alkalinity is
the capability of water to neutralize an acid. We measure it by
using a
titrator38. What is the major difference between spin casting
and fly casting? The main
difference is in fly casting the line propels the fly and in
spin casting the lure orbait does.
39. Name 3 materials that are often used in making a fly
rod.Bamboo, fiberglass, and graphite
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40. What is the purpose of fly tying?To create an imitation of
fish food by using natural and artificial products
41. What does it mean to Match the Hatch when fly fishing?
During different times of the year, certain insects will be
hatching and that is whatthe trout will be feeding on, so you need
to recognize that and use the right flyfor that situation.
42. When describing a fly fishing hook, define the following;
gape, shank, bend ,barb.Gape: Space between the point and the shank
Shank: The shank is the longer part of the hood from eye to
bendBend: The curvature at the end of the hood makes the bendBarb:
This is the part that helps prevent the fishing from dislodging the
hook 43. What is the difference between Wet Fly Fishing, Dry Fly
Fishing, and Nymph
Fishing?
Dry fly fishing is when you fish the fly on top of the water,
wet fly fishing is whenyou fish the fly right below surface or in
the middle of water column, and nymphis when you fish towards the
bottom of water column.
44. What is a half hitch tool used for?The half hitch tool is
used to make a knot on a fly when you are finished with it
45. What is the difference between hair and fur as it applies to
fly tying?Hair is usually used for legs and other things while the
fur is used for the bodies
