Dolly Varden Vs Bull Trout

The female digs the redd and is attended by 4-5 males.
Dolly varden vs bull trout. A much greater problem arises in trying to separate the Dolly Varden from the Arctic char. Its common to get into the bull trout vs dolly varden similarity debate. When the two populations met in the pacific northwest they have manage to coexist ever since.
05122006 I know almost nothing on this subject. BIOLOGY - The Dolly Varden is a fall spawner. Dont remember to much because I did the about 6 months ago.
Generally this species lives 10-12 years. IchthyologyAlso called bull trout Dolly Varden trout. As a result they have made national headlines after being listed as a threatened species by the US Fish and Wildlife Service under the Endangered Species Act.
The bull trout is known as the most serious predator on young salmon and a bounty was long paid on them in Alaska. General Description The native Bull Trout has been determined to be a separate species from the coastal Dolly Varden. At that time the world record Dolly Varden 32 pounds from Lake Pend Oreille Idaho became a record bull trout.
Their heads are different. This designation was accepted by the American Fisheries Society in 1980. Fish during the salmon run downstream from the redd and try out egg patterns to lure the fish.
31102012 The Dolly Varden and bull trout can generally be distinguished by their size and habitat. Of the two species this trout is larger and primarily an inland species. When one gets older some things are harder to remember.