Freshwater fishes of Virginia. Back and sides are marked with dark olive to black spots. 16 pp. Rainbow trout, also called redband trout, are gorgeous fish, with coloring and patterns that vary widely depending on habitat, age, and spawning condition. Lower fins are typically pale shades of amber, orange, red, purple or gray and the anal and pelvic fins are often white tipped. Jenkins, R.E., and N.M. Burkhead. 1079 pp. 1961. Egg hatching depends on the water temperature in an aquarium or in a natural habitat. Like all other fish trout can also be stored for a certain period either by freezing them or putting in a cold store. It has been introduced to every watershed. 1993. The Life Cycle of Rainbow Trout Alevin: Once hatched, the trout have a Regarded as the most widely successful of the introduced salmonids and the most widely known and recognized of the worlds trout species, rainbow trout rank among the top five most sought game fish in North America. 22835, (540) 999-3500 It depends on clean gravel areas for spawning. It is native to the western US, Canada and Alaska. Gutting the trout is essential prior to freezing. Rainbow trout are members of the Pacific trout and salmon subgroup of the salmon family (Salmonidae) which also includes the redband trout, cutthroat trout and golden trout. Maximum known longevity is 11 years but 7 year olds are typically the oldest in most populations. Consequently, nine different populations of steelhead (sea-run rainbow trout) have been added to the federal endangered species list. USFWS. The limited and sporadic production within the lower reaches of the North Fork Moorman's River apparently results from very few, occasional redds as the result of rainbows stocked just downstream of the park boundary. Rainbow trout were first liberated in stream habitats within and downstream of the park in 1943. Common Name: Rainbow trout. Duane Raver, U.S. Lower sides transition from silvery to white with white underside. Rainbow trout are considered native in the North Pacific Ocean and associated drainages from the Amur River in eastern Asia, north along the Pacific slope including the KamchatkaPeninsula and extreme northeastern Russia and along the Pacific slope of North America from Alaska south to northern Mexico. While not typically encountered in size classes beyond 12 inches in park streams, large rainbow trout of comparable size to large adult brook trout can be aggressive competitors for available habitat within the confines of a small stream. Virginia Department of Game and Inland Fisheries Species Description, Shenandoah National Park The Trout Fishery in Shenandoah National Park. Spawning is triggered by increasing day length, water flow and water temperature. It is native to the western US, Canada and Alaska. Hatchery reared rainbows are widely stocked within streams, rivers, ponds and lakes throughout central and western Virginia. Lennon, R.E. Occasionally larger individuals are encountered including a 19 inch rainbow captured by an angler in the North ForkThorntonRiver in 1998. Scientific Name: Oncorhynchus mykiss. Egg: Trout eggs have black eyes and a central line that show healthy development. The average life span of wild rainbow trout in Virginia waters is very similar to that of brook trout. Maximum known longevity is 11 years but 7 … Division of Natural and Cultural Resources, Luray, Virginia 22835. Other naturalized stream populations with more localized ranges are found in the eastern Adirondack, Catskill and Allegheny Mountains. The name mykiss is a vernacular from the Russian far east where the species was first described in the late 1700s. 2-3 Months. 46 pp. In addition, construction of dams, road crossings, and other structures impede the ability of rainbow trout to migrate upstream and downstream, which is critical to successful completion of their life cycles. Such is the case in within some sections of Great Smoky Mountains National Park and vicinity, and in southwestern Virginia. Maximum known longevity is 11 years but 7 year olds are typically the oldest in most populations. Larger individuals will include fish in their diets just as readily as any other large trout. Rainbow trout, including steelhead forms, generally spawn in early to late spring (January to June in the Northern Hemisphere and September to November in the Southern Hemisphere) when water temperatures reach at least 42 to 44 °F (6 to 7 °C). Redds are typically excavated by females in gravel runs and incubation periods vary with water temperatures but are typically less than those of brook and brown trout due to increased springtime temperatures. A 12 inch rainbow captured in Pass Run during June, 1997 had at least 19 partially digested to entire cicadas within its stomach along with a partially digested longnose dace and a number of other smaller insects. Mid-side markings include a wide red, pink or purple band that may either be a continuous band or be broken into a blotched pattern. Rainbow trout are typically olive-green dorsally with brassy to purple iridescence. Fortunately, the Pass Run population is the only naturalized rainbow trout population currently persisting within the park. Generally, displacement issues are greater where naturalized rainbow trout populations are well established and more widespread. 395. Emergency Phone: 1-800-732-0911. Luray, VA Maturation begins as early as one year with average survival of three to four years. The current state record specimen (14 pounds, 7 ounces) was captured in Greer's Trout Pond in southwestern Virginia on June 28, 1993. Annual stocking continues in many lakes to augment low natural recruitment. As is the case with the other trout species in Virginia, the largest individual rainbow trout are typically encountered within large stream habitats, ponds and reservoirs. Within the park, rainbow trout are likely preyed upon by northern water snakes, mink, kingfishers, herons and the occasional otter. Wild rainbow trout populations within Virginia most often occur in small rocky streams in forested landscapes. Rainbows typically migrate upstream to spawning areas with males arriving first. Shenandoah National Park Fisheries Monitoring Program Annual Report for 2004. Pass Run, particularly the section downstream of the park, is one of the most well buffered and productive streams within or adjacent to the park since it flows extensively over limestone and is fed by a number of large limestone springs.