Rainbow Trout Average Size

Age 4 but is most likely Age 2 in the west central Cascades Mountains.
Rainbow trout average size. Parts of this. Size and Weight Rainbows reach a length of 12 to 30 inches. 2013-12-18 pink lateral stripe often present leading anal fin ray extends the length of the fin long stocky caudal peduncle where body joins the tail Typical length.
Commonly 8 to 16 inches. 75 rows 2020-08-07 They usually grow between 20 to 30 inches in length 51 to 76 cm and. The all-tackle record for the largest Rainbow Trout is 48 pounds.
An average mature trout is around 16 inches in length and weighs between 2 to 8 pounds. They average about 20 to 30 inches long and around 8 pounds but can grow as long as 4 feet and weigh up to 53 pounds. Trout in cold mountain streams may only weigh 20 g after one year whereas fish in productive lakes may weigh 300500 g.
This 12-inch rainbow trout displays only a hint of a pink lateral band. 4 to 6 years in the wild. There are 20- to 30-pound rainbow trout in the river and on occasion one gets landed.
381 2 lb-61oz 10801. When you see a girthy trout in the 15- to 20-plus-inch range it looks like a football with a small head and an enormous mid-section. The average rainbow trout size is about 16 inches in length and up to 8 pounds in weight.
State Record 146 pounds 30 inches. At maturity anadromous rainbow trout weigh up to 19 kg and can be up to seven years of age compared to 13 kg for freshwater fish and 310 years of age Behnke 1992. The relationship described in this section suggests a 13 in 33 cm lentic rainbow trout weighs about 10 lb 045 kg while an 18 in 46 cm lentic rainbow trout weighs about 25 lb 11 kg.