Caenis Mayfly vs Blind Cave Campodea

Side-by-side species comparison

Attribute Caenis Mayfly Blind Cave Campodea
Scientific Name Caenis horaria Campodea maestrazgoensis
Order Ephemeroptera Diplura
Family Caenidae Campodeidae
Size 3-6 mm 4-6 mm
Habitat Rivers & Streams Indoors
Diet Detritivores Detritivores
Regions Europe Spain
Conservation Least Concern Data Deficient

Caenis Mayfly

One of the smallest mayflies, often called the 'angler's curse' because trout feed on them selectively. Larvae inhabit slow-flowing rivers and lake margins.

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Did You Know?

Caenis mayflies are called the angler's curse because their tiny size makes matching them with artificial flies nearly impossible.

Blind Cave Campodea

A cave-dwelling dipluran from the Maestrazgo region of eastern Spain. It shows typical troglomorphic features including elongated appendages.

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Did You Know?

It is restricted to a very small number of caves in the Iberian Peninsula.