Chrome Cockroach vs Japanese Water Penny

Side-by-side species comparison

Attribute Chrome Cockroach Japanese Water Penny
Scientific Name Gyna caffrorum Eubrianax granicollis
Order Blattodea Coleoptera
Family Blaberidae Psephenidae
Size 20-28 mm 5-7 mm
Habitat Forests Forests
Diet Fruit Feeders Omnivores
Regions South Africa, Mozambique Japan, Taiwan
Conservation Not Evaluated Least Concern

Chrome Cockroach

A small cockroach with a uniquely translucent, chrome-like pronotum. Nymphs are dark and burrowing while adults are agile fliers.

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Did You Know?

The see-through pronotum of the adult gives it a chrome or glass-like appearance unique among cockroaches.

Japanese Water Penny

An East Asian water penny beetle found in swift forest streams of Japan. Adults are dark and robust with a granular pronotum.

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Did You Know?

Its larvae use a suction-cup-like ventral surface to maintain their grip on stones in powerful currents.