Nebrioporus Water Beetle vs Neotropical Backswimmer

Side-by-side species comparison

Attribute Nebrioporus Water Beetle Neotropical Backswimmer
Scientific Name Nebrioporus nipponicus Buenoa antigone
Order Coleoptera Hemiptera
Family Dytiscidae Notonectidae
Size 5-7 mm 5-9 mm
Habitat Mountains Ponds & Lakes
Diet Omnivores Omnivores
Regions East Asia, Japan Brazil, Argentina, Uruguay, Paraguay
Conservation Least Concern Least Concern

Nebrioporus Water Beetle

A small diving beetle endemic to Japan found in clean mountain streams. Part of a genus that prefers running water over still pools. An indicator species for unpolluted waterways.

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Did You Know?

This beetle carries a bubble of air under its wing covers when diving, which it uses to breathe underwater like a built-in scuba tank.

Neotropical Backswimmer

A small aquatic bug that swims upside-down using its long oar-like hind legs. Its pale ventral surface provides camouflage when viewed from below against the sky.

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Did You Know?

It carries a silvery air bubble on its belly that functions like a physical gill, extracting dissolved oxygen from the water.