Giant Water Strider vs Japanese Goldenring

Side-by-side species comparison

Attribute Giant Water Strider Japanese Goldenring
Scientific Name Gigantometra gigas Anotogaster sieboldii
Order Hemiptera Odonata
Family Gerridae Cordulegastridae
Size 18-24 mm body, 250 mm leg span 80-93 mm
Habitat Rivers & Streams Mountains
Diet Omnivores Omnivores
Regions Vietnam, Southern China, Southeast Asia Asia
Conservation Data Deficient Least Concern

Giant Water Strider

The largest water strider in the world, found in Southeast Asian streams. Its leg span can reach over 25 cm across the water surface.

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Did You Know?

With a leg span exceeding 25 centimeters, it is the undisputed giant of the water strider world.

Japanese Goldenring

One of the largest dragonflies in East Asia with bold black and yellow body rings. It is widespread along mountain streams throughout Japan.

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Did You Know?

It is known to catch and eat Asian giant hornets, one of the few insects that can overpower them.