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Steelhead

Steelhead

Steelhead in New Hampshire are anadromous rainbow trout (Oncorhynchus mykiss) that migrate from the ocean to freshwater rivers to spawn.

While not native to New Hampshire waters, steelhead can be found in coastal areas and some freshwater systems as part of aquaculture programs.

Scientific Name: Oncorhynchus mykiss

Physical Characteristics:
  • Known for their silver coloration and lack the distinctive pink streak found on their freshwater rainbow trout counterparts.
  • In saltwater, these fish can grow rapidly to five pounds in just seven months.

What to know

Habitat Distribution

  • Coastal areas and some freshwater systems, estuarine waters where freshwater meets saltwater.

Key Locations

  • Great Bay Estuary, Cocheco River, tributaries of the Connecticut River in northern areas like Pittsburg and Clarksville.

Specific Spots

  • Focus on the Great Bay Estuary where freshwater meets saltwater, creating fertile feeding grounds.

Steelhead FAQ

Answers from onWater's species guide.

What flies work for Steelhead in New Hampshire?

Classic steelhead patterns like e.g.g-sucking leeches, intruder-style flies, and streamers in colors like black, purple, and blue work well. Weighted flies or beads for colder water conditions.

When is the best time to fish for Steelhead in New Hampshire?

For coastal fishing, target the warmer months when steelhead may be present in estuarine waters.

How do you catch Steelhead in New Hampshire?

Effective techniques include trolling with spoons, spinners, and larger streamer patterns. In colder water conditions, slower presentations with weighted flies or beads are more effective.

What do Steelhead eat?

As juveniles, they primarily feed on zooplankton, but as they mature their diet expands to include fish e.g.gs, crustaceans, mollusks, small fish, and even small mammals like mice.

Where do Steelhead live in New Hampshire?

Coastal areas and some freshwater systems, estuarine waters where freshwater meets saltwater.

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