Oncorhynchus clarkii henshawi

Lahontan Cutthroat Trout

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
Kingdom

Location in Taxonomic Tree

Identification Numbers

TSN:

Characteristics

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

Food

Characteristics
Food

These trout feed primarily on aquatic insects, crustaceans, small fishes and floating plant matter. 

Characteristic category

Habitat

Characteristics
Habitat

Lahontan cutthroat trout inhabit fresh water lakes, rivers and streams.

Lake
River or Stream
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.

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