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Alaska is home to five species of salmon: The chum salmon, which is banded green, yellow, and purple with a white tip on the anal fin, sockeye salmon, a deep red salmon with a white mouth, coho salmon, a maroon salmon with black spots, the Chinook salmon, also called the "king salmon", has a black gum line and black mouth and the pink salmon ...
This species is an ambush predator, varying its diet with age, size season and opportunity. [6] They spawn between December and March when the females lay eggs on plants and in mussel clusters in shallow waters and these are guarded by the males until they hatch. They young fish settle in waters close to the shore from the May following hatching.
Pacific ocean perch is a very slow-growing species, with a low rate of natural mortality (estimated at 0.06), a relatively old age at 50% maturity (10.5 years for females in the Gulf of Alaska), and a very old maximum age of 98 years in Alaska (84 years maximum age in the Gulf of Alaska). [25]
Alaska is the northwestern most part of North America. Reptiles and amphibians are not common in Alaska due to them being cold-blooded. Alaska has four reptile species and eight amphibian species. Two of these species are introduced. There are no snakes or lizards in Alaska. [1]
The Alaska Maritime National Wildlife Refuge (often shortened to Alaska Maritime or AMNWR) is a United States National Wildlife Refuge comprising 2,400 islands, headlands, rocks, islets, spires and reefs in Alaska, with a total area of 4.9 million acres (20,000 km 2), of which 2.64 million acres (10,700 km 2) is wilderness.
They range from the clean waters off Unalaska Island, Alaska, to San Diego. The commercial spot prawn fishery along the British Columbia coast is considered sustainable [ 3 ] as they "occur in sufficient numbers to support several small commercial and recreational fisheries" [ 4 ] and provides the largest landed value to the BC shrimp fishery.
It attains lengths greater than one metre (>39 inches) and weighs up to 20 kg (44 pounds). In the Gulf of Alaska, shortraker rockfish are sampled annually during longline surveys and are most abundant between depths of 300–400 metres (980–1,310 ft). [7] It is a bathydemersal species found over soft substrates. [4]
The Alaska SeaLife Center is a public aquarium and Alaska's only permanent marine mammal rehabilitation facility. It is located on the shores of Resurrection Bay in Seward.It opened in May 1998, and is dedicated to understanding and maintaining the integrity of the marine ecosystem of Alaska through research, rehabilitation, conservation, and public education.