Malagasy Aquatic Beetle vs Asian Clubtail

Side-by-side species comparison

Attribute Malagasy Aquatic Beetle Asian Clubtail
Scientific Name Hydrophilus madagascariensis Asiagomphus melaenops
Order Coleoptera Odonata
Family Hydrophilidae Gomphidae
Size 30-40 mm 45-52 mm
Habitat Rivers & Streams Rivers & Streams
Diet Predators Omnivores
Regions Madagascar Asia
Conservation Least Concern Least Concern

Malagasy Aquatic Beetle

A large, shiny black aquatic beetle with a streamlined oval body. It carries a bubble of air beneath its body for underwater breathing and swims with alternating leg strokes.

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Did You Know?

Despite being called water scavenger beetles, the larvae are fierce predators of snails, tadpoles, and other aquatic invertebrates.

Asian Clubtail

A medium-sized clubtail dragonfly found in clean streams across East Asia. Males have distinctive yellow and black body markings with a widened abdomen tip.

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Did You Know?

It is sensitive to water pollution and serves as an indicator of good stream water quality in Japan.