Singing Water Boatman vs Rounded Metalmark
Side-by-side species comparison
| Attribute | Singing Water Boatman | Rounded Metalmark |
|---|---|---|
| Scientific Name | Micronecta scholtzi | Calephelis perditalis |
| Order | Hemiptera | Lepidoptera |
| Family | Corixidae | Riodinidae |
| Size | 2 mm | 20-26 mm wingspan |
| Habitat | Ponds & Lakes | Forests |
| Diet | Omnivores | Omnivores |
| Regions | Europe | South Texas, northeastern Mexico |
| Conservation | Least Concern | Least Concern |
Singing Water Boatman
The loudest animal relative to body size on Earth. This 2 mm aquatic bug produces mating calls reaching 99.2 decibels by rubbing its genitalia against its abdomen.
Did You Know?
This tiny water bug produces 99 dB of sound by stridulating with its penis — making it the loudest animal relative to body size, and earning it a Guinness World Record.
Rounded Metalmark
A small reddish-brown metalmark with distinctly rounded wing margins and two rows of metallic silvery spots. It is found in subtropical scrublands near the Mexican border.
Did You Know?
It is so obscure that some populations were only discovered through targeted surveys of rare habitat in the Rio Grande Valley.