More Stuff About Fish
An internal structure of fish that is essential for swimming.
What is a swim bladder?
Subdivisions of surface water.
What are watersheds or drainage basins?
A species at risk of extinction in all or part of its habitat.
What is an endangered species?
BMP means this.
What is Best Management Practices?
The study of inland water bodies.
What is limnology?
Fish that spend their adult life in the ocean and return to freshwater for spawning.
What are anadromous fish?
Streams that form from the joining of upland streams in the watershed.
What are lowland streams?
An important food source in aquatic environments.
What is detritus?
A pesticide that affects aquatic life.
What is DDT?
A tool used to change stage measurements in feet into cubic feet per second.
What is a flow rating curve?
A newly hatched fish.
What is a fry?
Soils saturated with water, at least periodically.
What are hydric soils?
A complex and interlocking series of food chains.
What is a food web?
There is a global shortage of this kind of water for human use.
What is potable water?
The study of marine environments.
What is oceanography?
Fish that live in the ocean when young and in freshwater as adults.
What are catadromous fish?
The sloped bank of a stream channel.
What is a scarp?
To pass winter in a dormant state.
What is hibernation?
Eutrophication speeds up because of human activity.
What is cultural eutrophication?
This sampling tool collects mud from a lake bottom and brings it to the surface.
What is an Eckman Dredge?
Specific term for young brook trout.
What is alevins?
The deepest part of a stream channel.
What is the thalweg?
The main feature that distinguishes pouch snails from gill snails.
What is an opening on the left side?
This percentage of the population will live in a severely water stressed river basin by 2050.
What is 40%?
This aquatic sampling tool measures the turbidity of a body of water.
What is a Secchi Disk?