Fin's Fish Guide
The Harlequin darter (Etheostoma histrio) is a freshwater fish of the family Percidae that grows up to 8 cm.
Description
The harlequin darter is a small freshwater darter from the southeastern and central United States. The species grows to about 8 cm and has a stocky, yellow-green body with a striking pattern of dark and green spots and bars. As a bottom-dweller it rests among wood, leaf litter and stones in clear, flowing rivers and streams and searches for insect larvae and small invertebrates. The fish is harmless to humans. The IUCN assesses the species as Least Concern (LC).
Frequently asked questions
How do you recognise the Harlequin darter?
The Harlequin darter has an elongate, eel-like body, is mainly green and shows a spots pattern. Yellow-green body with a variegated blotch pattern; bottom-resting stream darter
Where does the Harlequin darter live?
The Harlequin darter lives in fresh water and is mostly found around mixed bottom. United States
How big does the Harlequin darter get?
The Harlequin darter grows to a maximum of about 8 cm. On average the species is around 5 cm.
Is the Harlequin darter dangerous to humans?
No, the Harlequin darter is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.
Is the Harlequin darter edible?
The Harlequin darter is not usually eaten.
More photos
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Etheostoma
More from the family Percidae
Want the complete picture on the Harlequin darter?
Point your camera at the fish and Fin names the species in seconds. Free, and the Harlequin darter is one of 12,519 species in the app.