Rainbow trout are a beautifully painted fish that is considered the world’s most popular trout species. They are also one of the most stocked trout species worldwide and can be caught on every continent except Antarctica.

The rainbow trout (Oncorhynchus mykiss) is a species of trout native to cold-water tributaries of the Pacific Ocean in North America and Asia.

Rainbow trout can remain in freshwater their entire lives, or they can migrate to the ocean and then return to freshwater to spawn. These fish are known as steelhead trout. The only way to confirm a fish is a steelhead trout is by look at its scales or by analyzing the chemical composition of its otoliths (ear bones).

4 days ago · Identification: Rainbow trout are a deep-bodied, compressed species with a typical trout body shape, a moderately large head, and a mouth that extends back behind the eyes. Rainbow trout have highly variable coloration: those that live in lakes are silvery with a dark olive-green colour on the back, though the dorsal coloration is sometimes a ...

Today, rainbow trout are found in a high percentage of American waters with suitable trout habitat. They are more tolerant of warm water than most trout, and are now found wild in every state of the US that support wild trout, and inhabit more streams …

This guide is designed to aid you in identification of the most commonly sought after trout species. When identifying trout it will be important to notice body coloration, fin color and shape, and the color and size of spots or vermiculations on their sides, backs, and fins.

Rainbows have a sleek, streamlined shape, adipose fin, and soft-rayed dorsal fin. The rainbow can be distinguished from other salmonids by the presence of small dark spots dorsally, and on the entire caudal (tail) fin. The upper half of the body is often a dark olive or steel blue color but this can be highly variable.

The rainbow trout (Oncorhynchus mykiss) is a species of trout native to cold-water tributaries of the Pacific Ocean in Asia and North America.

Generally speaking, adults have silver colored scales with light pink or red hues. When they spawn, their coloration darkens, and their red scales deepen in color. This trout species has a number of interesting traits and behaviors. Learn more about what makes them unique, below.

Jun 14, 2023 · Learn how to identify popular trout species - brook, brown, rainbow, sea, marble and cutthroat. We explore their taxonomy, their unique traits and how to visually tell them apart.