Rainbow Trout Temperature Range

When the water temperature hits 68 degrees both species will begin to get stressed.

Rainbow trout temperature range. Temperature ranges for rainbow trout at various development stages 6 9. These figures illustrate the optimal sub-optimal stressful and lethal temperature ranges for Brown Trout Salmo trutta and Rainbow Trout Oncorhynchus mykiss. Trout Profile pdf Trout Production.

C for 2 weeks Oxygenaeration dissolved oxygen 80 to 100 saturation maintained by aeration with filtered oil-free air if necessary. Temperature ranges differ. 2013-04-11 In Fish Vetting Essentials we published that the optimal temperature range for rainbow trout is 14-18C and their tolerance range of 1 25C.

2015-03-01 Aerobic scope was maximized at 15803C Topt while the upper pejus temperature Tpej set at 90 of maximum aerobic scope was 19903C. On-stream experience does not support the facts. Cutthroats and brook trout feed optimally at slightly cooler temperatures.

Current stocking practices in Athabasca Rainbow Trout range exclude lakes with outlets although there are four exceptions to this exclude streams and use only 3N that is triploid domestic strain Rainbow Trout within the range of Athabasca Rainbow Trout. Feeds and Feeding Methods pdf Trout Egg Development pdf. 2015-12-11 I recently created two figures to accompany the quick reference poster of water quality on the Henrys Fork that was featured in our blog post on October 30th.

The thermal range for peak performance corresponds to local high river temperatures but represents an unusually high temperature tolerance compared with conspecifics and congeneric species from northern latitudes. For example rainbow trout are said to be able to survive in temperatures up to and exceeding 77F 24C but stop growing at 73F 23. 2019-08-26 Rainbow trout can tolerate a relatively broad range of water temperatures but prefer water temperatures between 50 and 60F.

The survival range for trout is published at 35 to 75 F 2 to 23 C. Rainbow Trout Thermal Tolerance Analysis Juvenile and Adult Summer Page 2 December 2015 Acute Thermal Tolerance Thresholds Table 2 provides a summary of the range of acute temperature tolerance values for rainbow trout for. Rainbow trout prefer to spawn at temperatures between 50 and 55F.