Lake Whitefish is a saltwater fish. It belongs to the salmon family. It has greenish-brown scales on the back and silver scales on sides and silver-white scaled on its belly. Coregonus clupeaformis is the scientific name for Lake Whitefish.
They have small head with blunt nose and small mouth with slender body, an adipose fin and deeply forked tail. They can reach 20 to 30 inches in length and 5 to 20 pounds in weight. They usually swim on a depth of 60 to 120 feet.
They are carnivores and generally feed on freshwater shrimp, insects, small fish, fish eggs etc. Lake Whitefish is generally referred to as ‘humpback’ because of their small head as relative to their body size.
Quick Facts: –
- They spend most of their life near the bottom of the lake.
- Their mating season starts in mid October and ends in early December.
- A female can produce up to 10,000 to 130,000 eggs per season.
- Their eggs hatch after an incubation period of 133 days.
- Average life span of Lake Whitefish in wild is approximately 25-30 years.
- They prefer to swim in the company of a school of fellow fishes.
- They are native to North America and have some other common names like: – whitefish, Salute whitefish, gizzard fish etc.
- Lake whitefishes are generally found in freshwater lakes where they prefer cool and deep waters.
- There are two different ecotypes of Lake Whitefish: – Normal and Dwarf.
- They spawn in the shallow water with rocky, gravely or sandy bottom and this process take place during night time.
- They are also used as an important part of human diet because of their pleasant taste and high level of nutrients.
- They contain more omega-3 fatty acids as compared to pink and sockeye salmon.
- The largest Lake Whitefish was caught in Lake Superior in 1918. It weighed 18.9 kilograms.
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