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U. S. Fish & Wildlife Service
Produced By
U.S. Fish and Wildlife Service
Pacific Region
Illustrations by Gary Whitley
Special thanks to the Sacramento Fish and Wildlife Office’s
Central Valley Improvement Act Division for their assistance with this project.
Male and female
steelhead
S
almon are fish that live part of
their lives in fresh water, and part
in the ocean. They hatch in a stream,
live there for several months, and then
swim to the sea, where they grow up. Then
they migrate back to the streams where
they were born, to lay their eggs.
Five kinds of salmon live in rivers along the
Pacific Coast: the chinook (or king) salmon,
the coho (or silver) salmon, the sockeye,
pink (or humpback), and chum (or dog)
salmon. Chinook are the biggest. Some can
weigh over 100 pounds! Pink salmon are
the smallest, at 3 to 5 pounds.
Steelhead are a kind of rainbow trout that
migrate to the sea, like salmon. They are
slimmer than salmon, and their tail fins
have a more square shape.
Male and female
chinook salmon
a Salmon?
What Is
Have you ever visited another
city, and noticed that the water
there tastes different from the
water at home? Salmon can tell
the difference between water from
different places too! Young salmon
memorize the smell of their home
stream before they migrate to the sea.
When they are ready to return to fresh
water, they follow the smell home.
As the salmon migrate from the ocean
to their home streams, their color
and shape changes. Males get hooked
jaws with sharp teeth. In some species,
their backs get humps. Both males
and females change color.
Migration
For Salmon,
Fat is
Where It’s At
When they’re living in the ocean,
salmon eat a lot to store up plenty of fat.
This fat is the “fuel” they need to get to
their spawning grounds. Once salmon
enter freshwater, they stop eating.
So a salmon is a lot like a car that must
make a long trip on one tank of gas.
If anything delays the salmon, they may
use up their fuel too soon — and not
have enough to make it home.
Salmon Follow Their Senses!
id you know that salmon
build nests? But instead of
sticks, their nests are made
of gravel.
The female digs her nest by swishing
her tail up and down to loosen gravel from
the streambed. After she lays her eggs, she covers
the nest with more gravel. The gravel protects the
eggs from hungry trout and birds, but also has
plenty of spaces for water to run through.
A big female chinook can lay over 7000 bright red,
pea-sized eggs!
hile the female salmon is building her nest, the male is busy
chasing off all other males. He also does a courtship “dance:”
he quivers and swims back and forth over the female’s back.
When the female is ready to lay her eggs, he moves alongside her and
fertilizes them. This is called spawning. All salmon, and most steelhead,
die after they spawn.
SpawningBuilding a
Nest
D
W
Fighting males
Hatching
L
ate in the winter, the baby salmon hatch. They are weird looking, with
huge eyes and a pouch full of egg yolk attached to their bellies.
You can see their hearts pumping through their transparent skin!
For a few weeks they stay hidden in the gravel, living off their egg yolk.
As the yolk gets used up, the pouch shrinks and then disappears.
Scientists call this “buttoning up.”
Up
Once the yolk is gone, the baby salmon, called fry, get hungry, and
leave their gravel nests. They will eat anything that floats by, but
insects are their favorite! Chum, pink, and sockeye fry migrate to
the sea soon after leaving the nest, but young chinook salmon, coho
salmon, and steelhead spend 4 to 18 months living in streams.
Growing
18 months
1 day
10 weeks
6 months
As the fry uses
up its yolk,
its belly
“buttons up.”
Actual Size
Newly hatched
salmon
Egg
Stream
Life in the
Need Trees?
Why Do Salmon
T
rees provide people
with wood for our
houses, paper for our
books, and good things to
eat, like nuts and fruit. But
did you know that trees are
just as important to salmon?
Trees help keep water clean.
They hold the soil and keep
rain from washing it into
rivers. Their roots absorb
water, helping to prevent
floods. Their shade keeps
water from getting too hot in
the summer. Their leaves
provide food for insects that
are eaten by salmon fry.
And, when old trees fall into
streams, they create safe
hiding places for the fry.
A
stream is a much
safer place for a
young salmon than
the sea, but there are still
many challenges. Birds,
frogs, mammals, and other
fish eat salmon fry. Floods
can wash fry out of streams
and into the big rivers before
they are ready to migrate.
People also can create
problems for salmon fry.
Our dams change the
amount of water that flows
in streams and rivers.
Sometimes there may be too
much water, and sometimes
there may not be enough.
In summer, streams may
even dry up completely.
When you conserve water
you may be helping a young
salmon survive!
Pacific Salmon
Steelhead
Pink
Chum
Sockeye
Chinook
Coho
I
n spring, the salmon fry become
restless. They turn silvery in color
and lose their spots. As snow melts
in the mountains and streams run faster,
they begin swimming to the sea.
Now they are called smolts.
The journey is a dangerous one. Some
smolts are killed going through dams.
Many more become dizzy and confused—
easy prey for predators such as gulls,
striped bass, and pikeminnows waiting on
the other side of the dams. Other smolts
get sucked out of the river and into canals
that carry water to our crops.
Finally the smolts arrive in an estuary,
where a river meets the sea and salt
water mixes with fresh. Here, the young
salmon adapt to salt water before they
enter the ocean. Estuaries are rich in
food, and the young salmon eat as much
as they can. The bigger they can get
before they enter the ocean, the better
their chances of survival.
Journey to the
Sea
O
Sea
Life in the Discovering Secrets
of Salmon
nce they enter the sea, some salmon, like
coho, stay close to shore, while others,
like spring chinook, may swim 2,000
miles out to sea. While they are living in the sea,
salmon are close to the top of the food chain.
They eat squid, shrimp, and small fish, like
herring. Their main predators are sea lions and
killer whales. When they are ready to spawn,
they return to the freshwater stream of their birth.
ow long do salmon live in streams? What do they eat? Who eats
them? Where do they go in the ocean and how long do they stay
there? How many survive to adulthood? These are some of the
questions that scientists try to answer. When we know what salmon need,
we can help them better.
One way we learn about salmon is by tagging them. Some hatchery fish are
given coded wire tags. A special machine is used to put a tag in the fish’s
snout. When the fish is caught as an adult, the tag is removed and read
under a microscope. The pattern of lines on the tag tells when and where
the fish was released.
Salmon also get “check-ups” by scientists using special live traps called
screw traps. These traps (which look like space capsules!) are placed in
rivers to catch passing salmon. Scientists study the salmon, and then return
them to the water. Ocean and estuary “check-ups” are done using nets
which trail behind boats.
Tagging
salmon fry
Screw trap
H
Trouble!
Salmon In
oday, many kinds of salmon, and steelhead, are disappearing.
Some have even been listed as endangered species.
Salmon are in trouble mostly because their habitats — the places
where they live — are in trouble.
Some rivers have been blocked by dams. Dams have helped people by
providing us with electricity and a way to store water. But dams have
been hard on salmon. Some dams block salmon from getting to rivers
where they used to spawn. Gravel that salmon need to build nests gets
stuck behind these dams.
Other dams have turned rivers into huge lakes — perfect habitat for
predatory fish. Without strong currents, young salmon have to work
harder to swim to the sea. Salmon also use up a lot of energy as they try
to find their way past the dams.
Other rivers are too warm, muddy, or polluted for salmon to use.
When forests are cut or burned down, or too many cattle trample the ground,
soil washes into rivers. The soil covers up salmon nests, and the eggs die.
The water becomes warmer and muddier. Salmon fry get sick more easily.
If the temperature rises above 77 degrees, they die.
Polluted water, which runs into rivers from places where people live and work,
can contain chemicals which hurt or kill salmon.
T
Today, rivers in the West are
controlled by people. In dry
places, aqueducts and irrigation
ditches take water from rivers
and send it to cities and farms.
Sometimes there may not be
enough water left over for fish.
It’s only been recently that people
realized they must conserve water,
and set some aside for fish.
We also need to help fish get
safely past the obstacles we have
created. Here are some things
people are doing to help salmon!
We can help make warm,
muddy streams cool and clear
again, by planting new trees
and putting up fences to keep
cattle from trampling stream
banks.
We can put screens over places where
people take water from streams, so that
fish will not be pulled out of streams
and end up in dead-end canals.
Salmon
Helping the
We can build fish ladders,
which look like big,
watery stair steps, to help
salmon swim over the
dams. We can place new
gravel below dams, so that
there there is plenty of
gravel for the salmon to
build their nests.
Hatcheries Also
Help Salmon
F
Why Do We
Need Salmon?
ish hatcheries help make up for spawning habitat that has been lost.
Adult salmon are caught and spawned at the hatchery. Hatchery
workers put the eggs into plastic trays. Cold, clean water runs through
the trays. When the salmon fry hatch, they are put into concrete ponds
called raceways. People feed the fry until they are ready to migrate to the
sea. But once they have been released, the young salmon must survive
without any help, just like wild salmon do.
Salmon are part of a
healthy ecosystem.
Many animals eat
salmon: bears, eagles,
sea lions, killer whales,
and more. When salmon
numbers decrease, these
animals do also.
Some people depend on
salmon for their jobs:
commercial fishers;
fishing guides;
people who make
fishing gear and boats;
and people who
work in canneries
and fish markets.
Salmon are an important part
of the culture and livelihoods
of many Indian people.
Feeding fry
in raceways
Releasing
salmon
smolts into
stream
Many people enjoy
watching salmon
as they migrate
upstream and spawn.
Salmon Activity Page
What Can I Do to Help Salmon?
Unscramble the words in ( ) to find out!
Conserve __________(ertwa) and
____________ (celeyticirt).
If you use less, there will be more water for salmon.
Recycle and reuse paper. Saving _________ (seret)
will help save salmon.
Volunteer to help ____________(trerose) streams
by planting trees.
Don’t dump oil, antifreeze, or other chemicals into street drains.
Many drains empty into __________(siverr)!
Talk to your ___________(endsfri) and ________ (rentspa) about salmon
and what they can do to help.
Word Search
There are 20 “salmon words” hidden in this puzzle. Can you find them all?
salmon
steelhead
chinook
coho
pink
chum
sockeye
snout
gravel
spawn
fry
smolts
estuary
habitat
hatchery
restore
food chain
life cycle
predators
migration
M Y E T Y M F S H O
O
O
O
O
O
O
O O
O
OO
O
OO
O
M
M
M
MM
M
M
EE
EEE
EE
EE
E
E
E
EE
E
E
T
TTTT
T
T
TT
T
T
T
T
Y
Y
Y
YY
S
S
SS
S
SS
S
S S S
SS
S
SS
S S
L
NN
NN
N
N
N
N
NN
N
L
L
L
L
L
L
L
L
L
AA
A
A
AA
A
AA
A
A
AA
A
I
R
R
RR
R
R R
RR
R
C
C
CCC
C
C
W
W
W W
W
WW
H
H
HHH
H
H
H
U
U
U
U
K
K
K
K
K
K
K
I
I
I
II
II
I
G
F
F
F
F
P
P
P
P
P
D
D
DD
G
G
G
G
J
Z
Z
V
V
B
B
Where Can I Go to See Salmon?
Salmon may be coming
to a river or fish hatchery
near you! Here are some
places in California,
Oregon, Washington, and
Idaho where you can see
salmon and steelhead.
The best months to see
salmon are July through
October in Oregon,
Washington, and Idaho;
and October through
February in California.
Steelhead arrive later,
December through March.
Exact dates may vary,
so call ahead before
planning your visit.
For more information on
National Fish Hatcheries
and salmon viewing, call:
California:
Coleman National
Fish Hatchery
530/365-8622
Oregon, Washington,
and Idaho:
Outreach Specialist, Fisheries
U.S. Fish and Wildlife Service
503/231-6874
State Fish Hatcheries:
California: 916/653-6194
Oregon: 503/872-5252 x.2112
Washington: 360/902-2661
Idaho: 208/334-3791
Visit Us on the Web!
For more information about seeing
salmon and other fish and wildlife in
the Pacific Region, visit the U. S. Fish
and Wildlife Service on the Web at
http:/www.r1.fws.gov and click on
“Visitor Directory.”
Coho Fry Chinook Fry
Sea-run Chinook
Spawning Chinook
Spawning Pink
Spawning Sockeye
Spawning Chum
Spawning Coho
Spawning Steelhead

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The Pacific Salmon and Steelhead Coloring Book

  • 1. U. S. Fish & Wildlife Service
  • 2. Produced By U.S. Fish and Wildlife Service Pacific Region Illustrations by Gary Whitley Special thanks to the Sacramento Fish and Wildlife Office’s Central Valley Improvement Act Division for their assistance with this project.
  • 3. Male and female steelhead S almon are fish that live part of their lives in fresh water, and part in the ocean. They hatch in a stream, live there for several months, and then swim to the sea, where they grow up. Then they migrate back to the streams where they were born, to lay their eggs. Five kinds of salmon live in rivers along the Pacific Coast: the chinook (or king) salmon, the coho (or silver) salmon, the sockeye, pink (or humpback), and chum (or dog) salmon. Chinook are the biggest. Some can weigh over 100 pounds! Pink salmon are the smallest, at 3 to 5 pounds. Steelhead are a kind of rainbow trout that migrate to the sea, like salmon. They are slimmer than salmon, and their tail fins have a more square shape. Male and female chinook salmon a Salmon? What Is
  • 4. Have you ever visited another city, and noticed that the water there tastes different from the water at home? Salmon can tell the difference between water from different places too! Young salmon memorize the smell of their home stream before they migrate to the sea. When they are ready to return to fresh water, they follow the smell home. As the salmon migrate from the ocean to their home streams, their color and shape changes. Males get hooked jaws with sharp teeth. In some species, their backs get humps. Both males and females change color. Migration For Salmon, Fat is Where It’s At When they’re living in the ocean, salmon eat a lot to store up plenty of fat. This fat is the “fuel” they need to get to their spawning grounds. Once salmon enter freshwater, they stop eating. So a salmon is a lot like a car that must make a long trip on one tank of gas. If anything delays the salmon, they may use up their fuel too soon — and not have enough to make it home. Salmon Follow Their Senses!
  • 5. id you know that salmon build nests? But instead of sticks, their nests are made of gravel. The female digs her nest by swishing her tail up and down to loosen gravel from the streambed. After she lays her eggs, she covers the nest with more gravel. The gravel protects the eggs from hungry trout and birds, but also has plenty of spaces for water to run through. A big female chinook can lay over 7000 bright red, pea-sized eggs! hile the female salmon is building her nest, the male is busy chasing off all other males. He also does a courtship “dance:” he quivers and swims back and forth over the female’s back. When the female is ready to lay her eggs, he moves alongside her and fertilizes them. This is called spawning. All salmon, and most steelhead, die after they spawn. SpawningBuilding a Nest D W Fighting males
  • 6. Hatching L ate in the winter, the baby salmon hatch. They are weird looking, with huge eyes and a pouch full of egg yolk attached to their bellies. You can see their hearts pumping through their transparent skin! For a few weeks they stay hidden in the gravel, living off their egg yolk. As the yolk gets used up, the pouch shrinks and then disappears. Scientists call this “buttoning up.” Up Once the yolk is gone, the baby salmon, called fry, get hungry, and leave their gravel nests. They will eat anything that floats by, but insects are their favorite! Chum, pink, and sockeye fry migrate to the sea soon after leaving the nest, but young chinook salmon, coho salmon, and steelhead spend 4 to 18 months living in streams. Growing 18 months 1 day 10 weeks 6 months As the fry uses up its yolk, its belly “buttons up.” Actual Size Newly hatched salmon Egg
  • 7. Stream Life in the Need Trees? Why Do Salmon T rees provide people with wood for our houses, paper for our books, and good things to eat, like nuts and fruit. But did you know that trees are just as important to salmon? Trees help keep water clean. They hold the soil and keep rain from washing it into rivers. Their roots absorb water, helping to prevent floods. Their shade keeps water from getting too hot in the summer. Their leaves provide food for insects that are eaten by salmon fry. And, when old trees fall into streams, they create safe hiding places for the fry. A stream is a much safer place for a young salmon than the sea, but there are still many challenges. Birds, frogs, mammals, and other fish eat salmon fry. Floods can wash fry out of streams and into the big rivers before they are ready to migrate. People also can create problems for salmon fry. Our dams change the amount of water that flows in streams and rivers. Sometimes there may be too much water, and sometimes there may not be enough. In summer, streams may even dry up completely. When you conserve water you may be helping a young salmon survive!
  • 9. I n spring, the salmon fry become restless. They turn silvery in color and lose their spots. As snow melts in the mountains and streams run faster, they begin swimming to the sea. Now they are called smolts. The journey is a dangerous one. Some smolts are killed going through dams. Many more become dizzy and confused— easy prey for predators such as gulls, striped bass, and pikeminnows waiting on the other side of the dams. Other smolts get sucked out of the river and into canals that carry water to our crops. Finally the smolts arrive in an estuary, where a river meets the sea and salt water mixes with fresh. Here, the young salmon adapt to salt water before they enter the ocean. Estuaries are rich in food, and the young salmon eat as much as they can. The bigger they can get before they enter the ocean, the better their chances of survival. Journey to the Sea
  • 10. O Sea Life in the Discovering Secrets of Salmon nce they enter the sea, some salmon, like coho, stay close to shore, while others, like spring chinook, may swim 2,000 miles out to sea. While they are living in the sea, salmon are close to the top of the food chain. They eat squid, shrimp, and small fish, like herring. Their main predators are sea lions and killer whales. When they are ready to spawn, they return to the freshwater stream of their birth. ow long do salmon live in streams? What do they eat? Who eats them? Where do they go in the ocean and how long do they stay there? How many survive to adulthood? These are some of the questions that scientists try to answer. When we know what salmon need, we can help them better. One way we learn about salmon is by tagging them. Some hatchery fish are given coded wire tags. A special machine is used to put a tag in the fish’s snout. When the fish is caught as an adult, the tag is removed and read under a microscope. The pattern of lines on the tag tells when and where the fish was released. Salmon also get “check-ups” by scientists using special live traps called screw traps. These traps (which look like space capsules!) are placed in rivers to catch passing salmon. Scientists study the salmon, and then return them to the water. Ocean and estuary “check-ups” are done using nets which trail behind boats. Tagging salmon fry Screw trap H
  • 11. Trouble! Salmon In oday, many kinds of salmon, and steelhead, are disappearing. Some have even been listed as endangered species. Salmon are in trouble mostly because their habitats — the places where they live — are in trouble. Some rivers have been blocked by dams. Dams have helped people by providing us with electricity and a way to store water. But dams have been hard on salmon. Some dams block salmon from getting to rivers where they used to spawn. Gravel that salmon need to build nests gets stuck behind these dams. Other dams have turned rivers into huge lakes — perfect habitat for predatory fish. Without strong currents, young salmon have to work harder to swim to the sea. Salmon also use up a lot of energy as they try to find their way past the dams. Other rivers are too warm, muddy, or polluted for salmon to use. When forests are cut or burned down, or too many cattle trample the ground, soil washes into rivers. The soil covers up salmon nests, and the eggs die. The water becomes warmer and muddier. Salmon fry get sick more easily. If the temperature rises above 77 degrees, they die. Polluted water, which runs into rivers from places where people live and work, can contain chemicals which hurt or kill salmon. T
  • 12. Today, rivers in the West are controlled by people. In dry places, aqueducts and irrigation ditches take water from rivers and send it to cities and farms. Sometimes there may not be enough water left over for fish. It’s only been recently that people realized they must conserve water, and set some aside for fish. We also need to help fish get safely past the obstacles we have created. Here are some things people are doing to help salmon! We can help make warm, muddy streams cool and clear again, by planting new trees and putting up fences to keep cattle from trampling stream banks. We can put screens over places where people take water from streams, so that fish will not be pulled out of streams and end up in dead-end canals. Salmon Helping the We can build fish ladders, which look like big, watery stair steps, to help salmon swim over the dams. We can place new gravel below dams, so that there there is plenty of gravel for the salmon to build their nests.
  • 13. Hatcheries Also Help Salmon F Why Do We Need Salmon? ish hatcheries help make up for spawning habitat that has been lost. Adult salmon are caught and spawned at the hatchery. Hatchery workers put the eggs into plastic trays. Cold, clean water runs through the trays. When the salmon fry hatch, they are put into concrete ponds called raceways. People feed the fry until they are ready to migrate to the sea. But once they have been released, the young salmon must survive without any help, just like wild salmon do. Salmon are part of a healthy ecosystem. Many animals eat salmon: bears, eagles, sea lions, killer whales, and more. When salmon numbers decrease, these animals do also. Some people depend on salmon for their jobs: commercial fishers; fishing guides; people who make fishing gear and boats; and people who work in canneries and fish markets. Salmon are an important part of the culture and livelihoods of many Indian people. Feeding fry in raceways Releasing salmon smolts into stream Many people enjoy watching salmon as they migrate upstream and spawn.
  • 14. Salmon Activity Page What Can I Do to Help Salmon? Unscramble the words in ( ) to find out! Conserve __________(ertwa) and ____________ (celeyticirt). If you use less, there will be more water for salmon. Recycle and reuse paper. Saving _________ (seret) will help save salmon. Volunteer to help ____________(trerose) streams by planting trees. Don’t dump oil, antifreeze, or other chemicals into street drains. Many drains empty into __________(siverr)! Talk to your ___________(endsfri) and ________ (rentspa) about salmon and what they can do to help. Word Search There are 20 “salmon words” hidden in this puzzle. Can you find them all? salmon steelhead chinook coho pink chum sockeye snout gravel spawn fry smolts estuary habitat hatchery restore food chain life cycle predators migration M Y E T Y M F S H O O O O O O O O O O OO O OO O M M M MM M M EE EEE EE EE E E E EE E E T TTTT T T TT T T T T Y Y Y YY S S SS S SS S S S S SS S SS S S L NN NN N N N N NN N L L L L L L L L L AA A A AA A AA A A AA A I R R RR R R R RR R C C CCC C C W W W W W WW H H HHH H H H U U U U K K K K K K K I I I II II I G F F F F P P P P P D D DD G G G G J Z Z V V B B Where Can I Go to See Salmon? Salmon may be coming to a river or fish hatchery near you! Here are some places in California, Oregon, Washington, and Idaho where you can see salmon and steelhead. The best months to see salmon are July through October in Oregon, Washington, and Idaho; and October through February in California. Steelhead arrive later, December through March. Exact dates may vary, so call ahead before planning your visit. For more information on National Fish Hatcheries and salmon viewing, call: California: Coleman National Fish Hatchery 530/365-8622 Oregon, Washington, and Idaho: Outreach Specialist, Fisheries U.S. Fish and Wildlife Service 503/231-6874 State Fish Hatcheries: California: 916/653-6194 Oregon: 503/872-5252 x.2112 Washington: 360/902-2661 Idaho: 208/334-3791 Visit Us on the Web! For more information about seeing salmon and other fish and wildlife in the Pacific Region, visit the U. S. Fish and Wildlife Service on the Web at http:/www.r1.fws.gov and click on “Visitor Directory.”
  • 15. Coho Fry Chinook Fry Sea-run Chinook Spawning Chinook Spawning Pink Spawning Sockeye Spawning Chum Spawning Coho Spawning Steelhead