Ringed Cascader vs Amazonian Water Scorpion

Side-by-side species comparison

Attribute Ringed Cascader Amazonian Water Scorpion
Scientific Name Zygonyx torridus Ranatra spp.
Order Odonata Hemiptera
Family Libellulidae Nepidae
Size 45-52 mm 30-50 mm including siphon
Habitat Underground Ponds & Lakes
Diet Predators Predators
Regions Africa, Asia, Europe Throughout South America
Conservation Least Concern Least Concern

Ringed Cascader

A dragonfly that hunts exclusively over rapids and waterfalls in warm climates.

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Did You Know?

Females drop eggs into white water, and larvae cling to rocks in torrents.

Amazonian Water Scorpion

A stick-like aquatic bug with an extremely elongated body and long breathing siphon at the rear. It hangs motionless near the surface, ambushing passing prey.

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Did You Know?

Despite the common name, it is not a scorpion at all and is completely harmless to humans though it can deliver a mild prick.