Japanese Emperor Dragonfly vs Ringed Cascader

Side-by-side species comparison

Attribute Japanese Emperor Dragonfly Ringed Cascader
Scientific Name Anax parthenope julius Zygonyx torridus
Order Odonata Odonata
Family Aeshnidae Libellulidae
Size 70-80 mm body length 45-52 mm
Habitat Wetlands Underground
Diet Predators Predators
Regions East Asia, Japan/Korea Africa, Asia, Europe
Conservation Least Concern Least Concern

Japanese Emperor Dragonfly

A large hawker dragonfly and one of the most powerful aerial predators in Japanese wetlands. Known as 'gin-yanma' for its silvery-blue markings. Males patrol territories aggressively over ponds.

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Did You Know?

This dragonfly can fly at speeds exceeding 30 km/h and catch prey in mid-air using its legs as a basket-like scoop.

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.