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Technical reviewed side profile illustration of Juju Baetis showing slim segmented abdomen, sparse tail, dark wing case, compact thoraxIllustrated reference

Nymph · guide 31

Juju Baetis

Charlie Craven's slim Baetis-style nymph with a segmented synthetic body, wing case, and sparse profile.

Common size
#16–24
Common colors
black, olive, brown
Imitates
Baetis or blue-winged olive nymph
How to recognize it

A narrow segmented body, dark wing case, compact thorax, and sparse tail define the Juju Baetis. Bead, color, and flash choices are meaningful variants.

Technical reviewed side profile illustration of Juju Baetis showing slim segmented abdomen, sparse tail, dark wing case, compact thorax
Illustrated reference

Juju Baetis reviewed side profile

A schematic profile emphasizing slim segmented abdomen and sparse tail.

View
reviewed side profile
Color shown
black segmented body and dark wing case
Look for
slim segmented abdomen; sparse tail; dark wing case; compact thorax
Open full-size image ↗

On the water

Know when and how to fish it.

Use these tips as a starting point. The river, depth, insects, and fish behavior still decide the final presentation.

01

When to use it

  • Before and during BWO activity.
  • In clear tailwaters where a slim mayfly nymph is appropriate.
02

How to fish it

  • Dead-drift at active-nymph depth.
  • Choose bead mass for the lane.
03

Mistakes to avoid

  • Calling every slim Baetis nymph a Juju Baetis.
  • Leaving a bead variant unlabeled.

Common variations

Small changes can make a different fly.

Three reviewed technical illustrations show the identifying profile, construction, and fishing orientation. They are schematic field-guide aids, not photographs.

Reviewed core form

A narrow segmented body, dark wing case, compact thorax, and sparse tail define the Juju Baetis. Bead, color, and flash choices are meaningful variants.
Colors shown
black, olive, brown
Weighting
Weighting is identified when it defines the reviewed form; other bead or weight choices remain labeled variants.

Related patterns

Blue-Winged Olive Patterns ↗Pheasant Tail Nymph ↗Perdigon Nymph ↗

How this guide was checked

Fly information and photo sources.

Guide checked on 2026-07-12. Every image has its own source and usage record. Natural insects and hand-tied flies can vary in shape and proportion.

Pattern sources

Orvis NewsTop 10 Nymph Patterns for Montana Tailwaters↗

Image credits