• Winter light on the Fairweather Range

    Glacier Bay

    National Park & Preserve Alaska

Halibut Instructional Resources

The following are some good sources of information on halibut:

Also, you can scroll down for a glossary of terms used in the student activities.

WEB LINKS

Halibut Fisheries

Pacific Halibut Glossary

Halibut under water

Abundance
Plenty, more than enough; large quantities
Adaptation
The structures or behaviors of an organism that are suited to a particular environment
Apex predator
Apex predators (sometimes called Man-Eaters, Alpha-Predators, or Super-Predators) are predators that are not themselves preyed upon as a species. These animals are often at the end of long food chains, where they have a crucial role in maintaining and determining the health of ecosystems
Biomass
The total weight or quantity, at a given time, of living organisms of one or more species, usually expressed in weight per unit area, e.g., 500 lbs or 500 fish per square mile
Biturbated
Sediment or soil that has been stirred or mixed up by organisms, especially by burrowing or boring
Commercial Fishing
Fishing for a commercial purpose, i.e. to sell the catch
Compensation
Something (such as money) given or received as payment for a service or loss or injury
Continental Shelf
Shallow bottom just offshore of most continents between water's edge and a sharp drop-off where the bottom plunges steeply
Decline
To tend toward an inferior state or condition
Degradation
Diminution of biological productivity or diversity
Ecosystem
Community of organisms interacting with each other, plus the environment in which they live and react
Fathom
Linear unit of measurement (equal to 6 feet) for water depth
Fishery
Occupation or industry of catching, processing and selling fish and shellfish; an area where fish or shellfish are caught
Flatfish
Fish with a flattened body form that live on or in the bottom of the ocean
Habitat
Place or environment where a plant or animal naturally or normally lives and grows
Invertebrates
Animals lacking a backbone or spinal column
Cannonball Weights
Rounded weights attached to fishing line in order to keep the line at the bottom of the ocean
Jig
Type of fishing lure designed to resemble small fish, rarely larger than 10 centimeters
Jigging
Fishing method used with a hook and line, where the line is moved up and down in the water to attract fish to the hooks
Life span
Longest period of life reached by a type of organism
Longline
Stationary buoyed or anchored line or a floating, free drifting line with lures or baited hooks attached
Migrate
To move in a cycle from one place to another, usually for food or to mate
Migration
Periodic passage of groups of animals (especially birds or fishes) from one region to another for feeding or breeding
Reel
A winder consisting of a revolving spool with a handle; attached to a fishing rod
Regulation
A governmental order having the force of law
Resurgence
Recovery; revitalization; renewal
Sport Fishing
A form of recreational fishing where the main reward is the challenge of finding and catching the fish rather than eating or selling it
Subsistence Fishing
A type of fishing in which most of what is caught is consumed by the fisherman and his family
Temperate
Moderate; the zones between the tropics and the polar regions of the earth
Trolling
To fish by towing an array of baited lines or lures behind the boat
Viability
Capacity for survival and continued growth
 

go to ACTIVITY #1
Halibut Family Reunion

Did You Know?

Chestnut-backed Chickadee

A Chestnut-backed Chickadee lines over half its nest with animal fur. It uses this fur to cover its eggs when it leaves the nest.