The Lahontan cutthroat trout is one of three subspecies of cutthroat trout that occur in Washington. The distribution of the cutthroat trout (Salmo clarki) in Montana. In ideal environments, the Lahontan cutthroat trout attains typical weights of 0.25 to 8 lb (0.11 to 3.63 kg). �yo@ep2;����vbpS�f����Bp�j�_�ꩶ؊�
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. Generally, this includes all named streams at the 1:100,000 scale and some unnamed tributaries. Coldwater static acute toxicity tests were conducted with rainbow trout and three listed species of salmonids - Apache trout (Oncorhynchus apache), Lahontan cutthroat trout (Oncorhynchus clarki henshawi), and greenback cutthroat trout (Oncorhynchus clarki This summary represent collection records only and may not reflect the actual distribution of established populations. The present distribution is limited to just a few lakes and streams in and closely surrounding its historic range (Northern Nevada, Southeast Oregon and Northeastern California). Similarly, the fathead minnow is considered to be an acceptable surrogate for warmwater fishes. +Ѷ��Τ�In �V��4�����
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�Wg�x2~k����7��+ޮQis*�)m�{�&���:=�RC���`�߮��Vc����u|.�-���� Collection Info Point Map Species Profile Animated Map. Distribution is naturally fragmented, restricted by barrier falls and a … Distribution. Montana Acad. !�9Ld 3��R�(b 4�Ca��n8���!h�p 9AF`P�s��D��@-@�2�T|]�&�al�Q*�F1 �4Iţ�ɨU��n2L�t�X�d4�fc���ij�Ŭ�J`��7�)+��gj�T�6+�^gg��Uk��w�����ƙg�̰3y��',!B�4�.T�^f�[�\d9���C�aP� The Coyote Lake SMU is comprised of five native cutthroat trout populations. /Filter /LZWDecode Once occupied a vast range but are extirpated from nearly 95% of their native habitat in California. %����
Where to find Lahontan Cutthroat Trout Distribution: Lahontan Cutthroat Trout Distribution Distribution Historically, Lahontan Cutthroat trout were found across the Lahontan Basin in Southern Oregon, Eastern California and Northern Nevada. These were tributaries of ancient Lake Lahontan during the ice ages until the lake shrank to remnants such as Pyramid Lake and Walker Lake about 7,000 years ago, although Lake Tahoe—from which the Truckee flows to Pyramid Lake—is still a large mountain lake. Methods Lahontan cutthroat trout are endemic to the La- hontan basin, located in the northwest region of the Great Basin of northern Nevada, northeastern California, and southeastern Oregon (Behnke 1992). /Length 4735 Stocked Lake Trout have replaced native cutthroats in deep Rocky Mountain lakes (Benson et al. In the remaining highly isolated populations, however, cutthroat trout are subject to hybridization and competition with and predation by introduced trout (Gerstung 1988). distribution of Lahontan cutthroat trout in streams is occurrence of nonnative trout. Among those affected, the 14 subspecies of cutthroat trout found across western North America have been subject to two extinctions and five listings as Threatened as per the Endangered Species Act. 1x�`W���{�`�E��r�u�6�O���62�@E{��]�'�ֈ��$Me�Ģ��� �$"�Ђ���G�e�@Br��T��/����U�N)� ��Hs_.�)�����۫ They once occupied a vast range east of the Sierra Nevada but have been extirpated from nearly 95 percent of their native habitat in California. The Lahontan Cutthroat Trout (LCT; On- corhynchus clarkii henshawi) evolved in the hydrographically isolated Lahontan Basin of northeastern California, southeastern Oregon, and northern Nevada (Figure 1) where ancient Lake Lahontan ebbed and flowed over millions of years. Sci., Proc. 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