Naïve laboratory-spawned Etheostoma nigrum (johnny darter) exhibited a fright response (reduced movement) following exposure to the skin extract of wild conspecifics, indicating that the response is at least partially innate. No response was elicited by exposure to extract from lab-reared conspecifics.
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1 April 2002
Evidence for the Inheritance of Alarm Substance Recognition in Johnny Darter (Etheostoma nigrum)
JASON C. VOKOUN,
DOUGLAS B. NOLTIE
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The American Midland Naturalist
Vol. 147 • No. 2
April 2002
Vol. 147 • No. 2
April 2002