Angler's Curse Mayfly vs Labrador Minnow Mayfly

Side-by-side species comparison

Attribute Angler's Curse Mayfly Labrador Minnow Mayfly
Scientific Name Caenis rivulorum Baetis labradoriensis
Order Ephemeroptera Ephemeroptera
Family Caenidae Baetidae
Size 3-5 mm 5-8 mm
Habitat Rivers & Streams Rivers & Streams
Diet Detritivores Omnivores
Regions Europe North America
Conservation Least Concern Least Concern

Angler's Curse Mayfly

A tiny mayfly nicknamed for frustrating anglers who cannot imitate it on hook. Nymphs burrow in fine sediments of slow rivers and streams.

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Did You Know?

At just a few millimeters long, trout feed on them voraciously but anglers struggle to tie flies small enough to match.

Labrador Minnow Mayfly

A small mayfly found in cold northern streams with rapid currents. Nymphs cling to submerged stones and feed on periphyton.

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Did You Know?

Nymphs can complete their development in as little as three weeks during warm summer conditions.