NymphBarr's Jumbo John

The Barr's Jumbo John is a large, weighted nymph pattern that's designed to sink quickly and imitate a range of aquatic life. It's known for its effectiveness in deep, fast-moving water where trout and other species feed.

Season
Spring, Summer, Fall
Difficulty
Intermediate
Target Species
Trout, Steelhead
Barr's Jumbo John - Image source: Discount Flies
Image source: Discount Flies

Overview

Barr's Jumbo John is a heavy, high-profile stonefly nymph pattern designed for deep, fast water. Its lead wire underbody, ribbed flash, and rubber legs make it a durable and visible choice when targeting trout in turbulent runs and pockets.

Pattern Characteristics

Intermediate Difficulty
Trout, Steelhead
Moving Water
Spring
Summer
Fall
Imitates: Stoneflies, Mayflies, Caddis

Materials

Hook: Tiemco 3769, size #10–#14
Thread: Black Veevus 14/0
Weight: .020 Lead Wire
Tail: Brown Goose Biots
Body: Bronze Peacock Herl
Ribbing: Copper Wire
Shellback: Brown Thin Skin
Legs: Brown Goose Biots
Thorax: Peacock Ice Dub
Head: Gold Tungsten Bead

Fishing Tips

**Season**

Spring, Summer, and Fall are ideal for fishing this nymph. However, it can produce year-round in deeper, faster water.

**Presentation**

Fish the Barr's Jumbo John near the bottom in fast-moving water. A dead drift presentation typically works best.

**When to Use**

Use this fly when you need to get down deep quickly, especially in high, fast water conditions.

**Water Type**

This fly is designed for moving water, particularly fast, deep runs and riffles.

**Rigging Suggestions**

Rig the Barr's Jumbo John as the point fly on a Euro nymphing setup, or use it as the anchor fly in a traditional nymphing rig.

**Visibility & Floatation**

The Barr's Jumbo John is a sinking fly, designed to quickly reach the bottom where fish are feeding. Its size and dark colors make it visible in a variety of water conditions.

Additional Videos