Listing
Aug 25, 1970
Aug 25, 1970 Listing (Endangered)
Notice of Proposed Rule Making (Conservation of Endangered Species and Other Fish or Wildlife)
- Publication type: Proposed
Item 1
FWS Focus
Overview
Characteristics
Overview
The Lahontan cutthroat trout is one of 13 living sub-species of cutthroat trout. This fish is native to the Lahontan Basin of northern Nevada, northeastern California and southeastern Oregon. This subspecies exhibits three life histories including: stream-type, migratory and lacustrine forms. These fish inhabit fresh water lakes, rivers and streams, and feed primarily on aquatic insects, crustaceans, small fishes and floating plant matter.
Scientific Name
Oncorhynchus clarkii henshawi
Common Name
Lahontan cutthroat trout
FWS Category
Fishes
Identification Numbers
Characteristics
Characteristic category
Habitat
Characteristics
Habitat
Lahontan cutthroat trout inhabit fresh water lakes, rivers and streams.
Characteristic category
Food
Characteristics
Food
These trout feed primarily on aquatic insects, crustaceans, small ?shes and floating plant matter.
Characteristic category
Physical Characteristics
Characteristics
Size & Shape
Lahontan cutthroat trout can grow up to 4 feet long.
Weight
Lahontan cutthroat trout can weigh up to 40 pounds.
Characteristic category
Behavior
Characteristics
Behavior
Migration Behavior
Lahontan cutthroat trout are a migratory species. There are stream dwelling, lake dwelling and migratory forms of this species, where the migratory forms move back and forth between lakes and the tributaries of the lakes. Historical records indicate that native Lahontan trout used to migrate 120 miles between Pyramid Lake and Lake Tahoe.
Geography
Characteristics
Range
Lahontan cutthroat trout range between Northern Nevada, northeastern California and southeastern Oregon.
Timeline
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16 Items