Bonneville whitefish

In appearance it is very similar to the closely related Bear Lake whitefish P.

The Bonneville whitefish lives in the benthopelagic, freshwater environment.

The Bonneville whitefish (Prosopium spilonotus) is a salmonid fish endemic to Bear Lake on the Utah-Idaho border. It is one of three species of Prosopium endemic to Bear Lake, the other two being the Bear Lake whitefish and the Bonneville cisco. More

Bonneville Whitefish Fishing Wall of Fame Most Recent Fishing Photofishnate Rating: 1. More

The Bonneville whitefish, Prosopium spilonotus, is one of three whitefish species found only in Bear Lake on the Utah-Idaho border. Bonneville whitefish prefer cold water, and stay in cool deep areas of the lake during the summer months. More

Bear Lake and Bonneville whitefish live and spawn in the lake rather than in a stream and they also have different diets. The whitefish in Bear Lake usually feed on plankton, ostracods, fish eggs and other organic debris. They also feed on aquatic insects. More

Bonneville whitefish obtain larger sizes than Bear Lake whitefish or Bonneville cisco, often growing to over 400 mm in total length. More

The Bonneville Whitefish spawn in the middle of December. During this time the cutthroat seem to flourish. They feed not only on the eggs but the whitefish as well. These are not your ordinary whitefish. These fish reach sizes up to 4lbs. More

The Bonneville whitefish are "cousins" with the mountain whitefish, which are found in many streams and some lakes here in Utah and the western US. Bonneville Whitefish have very large mouths compared to their cousins and for a good reason. More

The Bonneville whitefish is another endemic species in Bear Lake and provides an excellent winter fishing opportunity. Fishermen many times confuse the Bonneville whitefish with its cousin, the mountain whitefish that inhabit the rivers of Utah. More

Bonneville whitefish are an important sport fish in Bear Lake. More

The Bonneville whitefish is native only in Bear Lake in Idaho and Utah. Like the Bear lake whitefish, the Bonneville whitefish is relatively small. It rarely exceeds 12 inches in length. Bonneville whitefish spawn in early winter and are vulnerable to angling. More

Bonneville whitefish population was predominantly composed of juvenile age classes. Very large adults reached ages of 12-14 years. Bear Lake whitefish exhibited a different population structure with few young fish and larger proportions of older age classes. More

Bonneville whitefish had better growth conditions, but higher predation risks compared to Bear Lake whitefish habitats. Avoided habitats had poor growth conditions and high predation risk. More

Common names

Bonneville whitefish in English
Bonnevillehelt in Danish (dansk)
珠点柱白鲑 in Mandarin Chinese
珠點柱白鮭 in Mandarin Chinese

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