Egg
Alevin
Fry
Smolt
Adult
Spawner
General
Information
100

This is the correct term for a salmon's nest.

What is a redd? 

100

This is the source of food for the salmon during the alevin life stage. 

What is a yolk sac? 

100

These marks help camouflage a salmon fry. 

What are parr marks? 

100

This is the physical change that salmon go through in order to adapt from freshwater to saltwater.  

What is smoltification? 

100

This is the name for when the adult fish swim in groups in the ocean. 

What is a school? 

100

Spawners don't eat when they swim back up the river, so they get their energy from this. 

What is stored fat? 

100

The name for a special feature that helps an organism better survive in its environment. 

What is an adaptation? 

200

This fine sediment carried by running water is a threat or hazard during the egg life stage. 

What is silt? 

200

This is the saying for when an alevin absorbs its yolk sac. 

What is "buttoning up"?

200

The kingfisher, common merganser, and garter snake are examples of this. 

What is a predator of fry? 

200

This is a place where fresh water meets salt water. 

What is an estuary? 

200

This is the shelter for the adult fish. 

What is the ocean? 

200

This is what the male fish uses to fertilize the eggs in the gravel. 

What is milt? 

200

Found in the cavity of the fish, this body part is filled with gas and helps fish control buoyancy.  

What is a swim bladder? 

300

Coming from the female salmon, thousands of these are deposited and fertilized in the gravel. 

What are eggs? 

300

This is the name for the place where alevin live in the river.

What is the gravel? 

300

These aquatic insects in their larva or nymph stage are indicator species and some examples are the caddisfly, water penny, and mayfly.  They are also food for fry!

What are macroinvertebrates? 

300

This is the term for the type of water that is a mix of salt and fresh water. 

What is brackish? 

300

By changing their color, this adaptation disguises the adult fish in the ocean.  

What is camouflage? 

300

When the fish return to the river, the male spawners grow these to help them fight off other males.

What are teeth? 

300

Water must have plenty of this available so that fish can breathe. 

What is oxygen? 

400

This is something we protect the eyed eggs from because they are very sensitive to it. 

What is light? 

400

This is the general term for things like garbage, oil spills, and chemicals that end up in the river and can harm growing alevin. 

What is pollution? 

400

Before the hatchery fry are released into the river, this fin is clipped to distinguish them from wild fish. 

What is the adipose fin? 

400

Here are some examples: crustaceans, plankton, smaller fish. 

What is food for smolts? 

400

This is the kind of water found in the adult salmon's habitat. 

What is saltwater? 

400

In the river, this is the direction spawners swim to return to their natal stream.

What is upstream? 

400

These protect the bodies of the salmon and grow in regular concentric patterns which can be used to determine the age and life history of the fish.  They are covered in slime which further protects the fish from diseases, fungi, and viruses.  

What are scales? 

500

These animals are a hazard to salmon eggs because they crush them when they graze near river banks. 

What are cattle? 

500

This is the temperature of water that alevin need in order to survive.

What is cold water? or What is 50-55 degree water? 

500

Logs, woody debris, rocks and boulders in the river are this for salmon fry. 

What is habitat and/or protection? 

500

Osprey, orcas, seals, and herons are examples of this. 

What are predators of the smolts? 

500

Osprey, orcas, and seals are an example. 

What are some predators of adult salmon? 

500

This is the name of the hooked jaw that develops on spawning fish. 

What is the kype? 

500

These are the first three stages of a salmonid's lifecycle. 

What are the egg, alevin, and fry stages?