Mandibularis Stag Beetle vs Fijian Cave Swiftlet Dragonfly

Side-by-side species comparison

Attribute Mandibularis Stag Beetle Fijian Cave Swiftlet Dragonfly
Scientific Name Hexarthrius mandibularis Nesobasis erythrops
Order Coleoptera Odonata
Family Lucanidae Coenagrionidae
Size 50-115 mm 3-4 cm
Habitat Forests Forests
Diet Sap Feeders Predators
Regions Sumatra, Indonesia Fiji
Conservation Not Evaluated Endangered

Mandibularis Stag Beetle

One of the largest stag beetles in the world with immense curved mandibles. Glossy black with powerful jaws.

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Did You Know?

Males can reach 115mm in total length, making them among the largest stag beetles ever recorded.

Fijian Cave Swiftlet Dragonfly

An endemic Fijian damselfly found along shaded forest streams on Viti Levu. Males have distinctive red eyes and metallic green bodies.

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Did You Know?

Fiji has over 20 endemic Nesobasis damselfly species, one of the richest island damselfly radiations.