Is Trout and whitefish kosher?

About Trout and whitefish

Family Salmonidae. Including: Atlantic salmon (Salmo salar); Pacific salmons (Oncorhtnchus species); Coho or silver salmon; sockeye, blueback or red salmon; chinook, king or spring salmon; pink or humpback salmon; chum, dog or fall salmon, Trouts (Salmo species) Brown trout, rainbow trout or steelhead, cutthroat trout, golden trout, Chars (Salvelinus species); Lake trout, brook rout, Arctic char (salvelinus alpinus), Dolly Varden, Whitefishes and ciscos (coregonus species and Prosopium species); Cisco or lake herring (Corengonus artedii); chubs (coregonus species); graylings (thymallus Species) The mountain whitefish (Prosopium williamsoni) is one of the most widely distributed salmonid fish of western North America. It is found from the Mackenzie River drainage in Northwest Territories, Canada through western Canada and the northwestern USA in the Pacific, Hudson Bay and upper Missouri River basins to the Truckee River drainage in Nevada and Sevier River drainage in Utah. The mountain whitefish (Prosopium williamsoni) is one of the most widely distributed salmonid fish of western North America. It is found from the Mackenzie River drainage in Northwest Territories, Canada through western Canada and the northwestern USA in the Pacific, Hudson Bay and upper Missouri River basins to the Truckee River drainage in Nevada and Sevier River drainage in Utah. Description The body shape is superficially similar to the cyprinids, although it is distinguished by having both the adipose fin and axillary process of salmonids. The body is slender and nearly cylindrical in cross section, generally silver with a dusky olive-green shade dorsally. The scales possess pigmented borders, which are especially defined on the posterior end. Mountain whitefish possess a forked homocercal tail. The short head has a small mouth underneath the snout. The short dorsal fin has 12–13 rays, with 11–13 for the anal fin, 10–12 for the pelvic fins, and 14–18 for the pectoral fins. Size has been recorded at up to 70 centimeters (28 inches) in length and a weight of 2.9 kilograms (6.4 lb). Life history The spawning season is from October to early December, when water temperatures...