description Peacock eel Overview
The peacock eel (Macrognathus siamensis) is a freshwater fish belonging to the spiny eel family, Mastacembelidae. Native to the river basins of mainland Southeast Asia, including the Chao Phraya and Mekong, it inhabits slow-moving waters with sandy or muddy substrates where it can burrow. The species derives its common name from the series of distinctive, eye-like ocellated spots located along the base of its dorsal fin. Reaching up to a foot in length, it is a relatively peaceful fish frequently kept by aquarium hobbyists.
help Peacock eel FAQ
What is the scientific name of the peacock eel?
The peacock eel is commonly identified as Macrognathus siamensis. It belongs to the spiny eel family Mastacembelidae.
Where does the peacock eel come from?
It is native to mainland Southeast Asia, including river basins such as the Chao Phraya and Mekong. In the wild it lives in slow-moving freshwater habitats.
What kind of habitat does a peacock eel prefer?
Peacock eels prefer slow-moving water with sandy or muddy substrates. They often use the bottom material for shelter and foraging.
Is a peacock eel a true eel?
No. Despite its eel-like body, it is a freshwater fish in the spiny eel family. Its classification is different from that of marine true eels.
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