Tech ll

Question 1

Six Fins and Functions

Answer 1

Pectoral Fin- left and right motion
Dorsal Fin- directional movement
Ventral Fin- control
Anal Fin- control
Adipose Fin- difference between wild and hatchery if present
Caudal Fin- locomotion, propelling

Question 2

Functions of….

Answer 2

Nasal- Smelling
Lateral Line- feeling vibrations
Gill Plate- protect & operate gill
Maxillary Bone- tasting water

Question 3

Fish Adjust Water Depth How?

Answer 3

Swim Bladder

Question 4

1) Functions Of Scales?
2) When Do They Have Them?
3) What Do They Determine?

Answer 4

1) Scales= Protection
2) Are Found When Fish are at ssea
3) Can determine: age, times in fresh or saltwater

Question 5

Common Ways Disease is Brought In

Answer 5

1) Mud
2) Through Water–>Water
3) Through Fish–>Fish
* This is why we can’t have any other fish in the hatchery at the same time*

Question 6

How Do We Disinfect Our Gear

Answer 6

Argentine

Question 7

How Do We Disinfect Our Water

Answer 7

UV System

Question 8

Two Water Variables That Define a Rescue Scenario

Answer 8

1) Low Dissolved Oxygen
2) 20 degrees Celsius and over Temperature is lethal

Question 9

Define Weir

Answer 9

Barrier in a system Used to Catch Fish

Question 10

What is a Steelhead Nest Called

Answer 10

Redd

Question 11

Low Flow Spot In the Creek Where Nest are Often Found

Answer 11

Riffle

Question 12

Largest Problem Facing Fish in Raceways?

Answer 12

Stress (loud noises, light, etc)

Question 13

Whole System

Answer 13

32,322 Gallons

Question 14

Per Raceway

Answer 14

3,351 Gallons

Question 15

Passing Through Incubators

Answer 15

3-5 Gallons/Minute

Question 16

Rounds

Answer 16

800 Gallons

Question 17

Two Behaviors That Sum up How You Act

Answer 17

1) Polite
2) Professional

Question 18

False Information Given By Another Member

Answer 18

Talk to them after the tour (Dont correct During)

Question 19

Finnish Tour

Answer 19

Thank you, please sign our guestbook

Question 20

Who Does Daily Maintenance

Answer 20

We (The Students) Do

Question 21

How Do You Address A Question You Can’t Answer

Answer 21

“I’m sorry, I am still in training and don’t know the answer to your question I will find
someone that does and get back to you.”

Question 22

Do you answer the Hatchery Telephone

Answer 22

No, students don’t use it. You may not know the answer to that caller

Question 23

How do we raise Money? Any From The School

Answer 23

1) Raise Money from:
Grants, Donations, Fundraising
2) None From The School

Question 24

Who Designed The Building

Answer 24

Jason Cumsen (alumni) (Drawn In Mr. Billing’s Drafting Room)

Question 25

Species Found Returning to Petaluma Watershed

Answer 25

1) Chum Salmon 2) Fall Run Chinook Salmon

Question 26

Similarities and Differences (Salmon and Steelhead)

Answer 26

1) Similar: Both anadromous 2) Different: Adult Pacific Salmon die after spawning, but adult Steelhead can go back to the ocean after spawning (2-3 times) Juvenile Salmon leave the system once they surface up, while Juvenile Steelhead stay in the system for a year

Question 27

Define Spawner

Answer 27

Fish with the potential to spawn, that return to their hatching place to spawn

Question 28

How do you Properly Open The Incubator

Answer 28

Slowly and carefully

Question 29

Type Of Incubator in the Hatchery

Answer 29

Montana Boxes or stack Trays ( lots, 8 rows )

Question 30

How Does it Function

Answer 30

Montana Boxes: More human interaction, usually better success rate, hold up to 3,000 eggs.

Question 31

Life Stages

Answer 31

1) Egg- Fragile, Eying Up, Hatch Based on Water Temp 2) Alevin- Yolk Sack, Limited Locomotion, Not Eating Real Food 3) Fry- Buttoned up, Eating Real Food, Locomotion 4) Fingerling- Parr Marks, Size Of a Finger (3-4in) 5) Smolt- Heading Out to Ocean, Smoltification 6) Precocious- 2 year olds Sexually Ready to Spawn 7) Spawner- 3 to 4 year olds ready to Spawn

Question 32

What is Genetic Diversity, protected by Hatcheries how

Answer 32

Genetic diversity is created by crossing 4 males to 1 female to prevent inbreeding and fish that are too similar (With an undesirable trait that can harm the fish ex disasters were to happen [Extinction])

Question 33

What is Eying Up

Answer 33

1) Pigments of the eye form 2) 2 weeks

Question 34

What is Buttoning Up and How Long Does it take

Answer 34

1) Absorption of Yolk sac 2) About a month to 2 months

Question 35

Problems with Buttoning Up

Answer 35

1) Can't Start Feeding ( Remaining Alevin will die if they cant eat food because their Yolk sacks will burst) 2) Super sensitive

Question 36

How Do We Clean Raceway One and The Hatchery Truck Windows

Answer 36

Special Sponge

Question 37

What Are The White Towers In the Mechanical Room

Answer 37

Ozone Towers (once used to disinfect water)

Question 38

How Do We Keep Our Water Cold, What is tthe Temperature

Answer 38

1) Chiller (In gated area next to the pump house) 2) 12-15 degrees celsius

Question 39

Where Do We Get Our Water, What Is Our Water Temperature Before It Enters The Building

Answer 39

1) The Well (495 ft down) out of Ground 17-20 degrees celsius 2) 12-15 degrees celsius once chilled

Question 40

Nets On Raceway 1 & 2

Answer 40

Keep the fish from jumping out

Question 41

#1 Thing Commented On

Answer 41

Cleanliness

Question 42

Disease In The Water

Answer 42

Pathogen

Question 43

Barrier In Stream To Catch Fish

Answer 43

Weir

Question 44

Combination Of Food and Dung

Answer 44

Ammonia

Question 45

Amount of Oxygen In The Water

Answer 45

Dissolved oxygen

Question 46

Time When A Young Fish Heads To Salt Water

Answer 46

Adult fish with The potential to Spawn

Question 47

Adult Fish With The Potential To Spawn

Answer 47

Spawner

Question 48

Born In Freshwater, Goes To Sea, Returns to Freshwater To Spawn?

Answer 48

Anadromous

Question 49

Semilparity

Answer 49

Spawns once then dies, uses all of its energy in one shot

Question 50

Fish We Rescue

Answer 50

Steelhead → Adobe Creek

Question 51

Steve Dallas

Answer 51

Steve Dallas was an alumni of the program who has muscular dystrophy, but wanted to help and make a difference. He was hired by the hatchery to staple papers because that was the only limited muscle movement he had. However, he always had “great love for life” and was very optimistic, so when he passed away, the UA created an award in his memory given to the senior with the “greatest love for life”.