Chinese Aquatic Firefly vs Rainbow Stag Beetle

Side-by-side species comparison

Attribute Chinese Aquatic Firefly Rainbow Stag Beetle
Scientific Name Aquatica ficta Phalacrognathus muelleri
Order Coleoptera Coleoptera
Family Lampyridae Lucanidae
Size 8-12 mm 25-70 mm
Habitat Rivers & Streams Forests
Diet Omnivores Wood Feeders
Regions China Oceania
Conservation Vulnerable Least Concern

Chinese Aquatic Firefly

A firefly with fully aquatic larvae found in streams across southern China. It was the first species placed in the genus Aquatica, erected specifically for water-dwelling lampyrids.

💡

Did You Know?

Larvae breathe underwater using specialized tracheal gills unique among fireflies.

Rainbow Stag Beetle

Australias most spectacularly colored beetle, with iridescent green, red, gold, and purple metallic coloring. Males have large curved mandibles with internal teeth.

💡

Did You Know?

This is widely considered the most beautiful stag beetle in the world — its rainbow metallic sheen shifts through green, gold, red, and purple depending on the angle of light.