River Intelligence · Entomology

Read the Water. Match the Hatch.

Every river has an entomological fingerprint — the bugs it grows, when they hatch, and how trout eat them. Learn the bugs, cross-reference live flows, and fill your box before you go.

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Crustacean

Mysis Shrimp

Mysis diluviana

A stillwater shrimp that only matters where a stocked reservoir flushes them through a dam. Where that happens the trout below grow enormous, and a dead white speck outfishes everything in the box.

Order

Crustacean

Family

Mysidae

Genus

Mysis

Hook

#16-18

Season · Peak Winter, on dam release

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

Mysis Shrimp

Emergence Triggers

Water Temp

34–55°F

Flow

Tied to reservoir releases — they wash through the dam

Light

Any

Water Type

The first mile below a stocked reservoir

Lifecycle

How Trout Eat It — Stage by Stage

Adult

Heaviest on release

Dead-drift a translucent white pattern in the top mile below the dam. They arrive dead and motionless — do not impart action.

Match It

Mysis Shrimp#16-18

$2.95

Cross-Reference

Where This Bug Matters

Not yet linked to any Waterlands river.

≋ Waterlands · Hatch data blends USGS gauges, NOAA temps & regional emergence records

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