The Rock darter (Etheostoma rupestre) is a freshwater fish of the family Percidae that grows up to 8 cm.
Description
The Rock darter is a small perch, a darter (Percidae), from fresh water of the Mobile basin in the southeastern United States. The species grows to about 6 cm and has a slender, green-brown with dark saddles and blue-green tints body with a pointed head; spawning males often colour up spectacularly. As a bottom-dweller it rests without a swim bladder among gravel and stones of clear, flowing streams and darts in short bursts at insect larvae and small invertebrates. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Rock darter?
The Rock darter has an elongate, eel-like body and is mainly green.
Where does the Rock darter live?
The Rock darter lives in fresh water and is mostly found around mixed bottom.
How big does the Rock darter get?
The Rock darter grows to a maximum of about 8 cm. On average the species is around 6 cm.
Is the Rock darter dangerous to humans?
No, the Rock darter is harmless to humans.
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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
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