Reunion Riverjack vs Twin-spotted Spiketail

Side-by-side species comparison

Attribute Reunion Riverjack Twin-spotted Spiketail
Scientific Name Zygonyx elisabethae Cordulegaster maculata
Order Odonata Odonata
Family Libellulidae Cordulegastridae
Size 5-7 cm 68-78 mm
Habitat Mountains Rivers & Streams
Diet Predators Omnivores
Regions Reunion North America
Conservation Critically Endangered Least Concern

Reunion Riverjack

A large dragonfly endemic to the island of Reunion in the Indian Ocean. It patrols waterfalls and fast-flowing mountain streams.

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Did You Know?

Deforestation and damming of Reunion's rivers have severely reduced its available breeding habitat.

Twin-spotted Spiketail

A large, dark brown spiketail with paired yellow spots on each abdominal segment. It is the most common spiketail in eastern North America.

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Did You Know?

Its larvae lie partially buried in stream-bottom leaf litter and ambush passing prey.