Orientation of elvers of American eels(Anguilla rostrata) in weak magnetic and electric fields

摘要: 1. Turning angles of American eel elvers in a circular arena were the same when horizontal vector earth's magnetic field was parallel to body axis and perpendicular it. 2. No difference turning exhibited by directed either north, east, south or west an E-W, NNE-SSW NNW-SSE maze. 3. behavior both experimental chambers unaltered negation component field. 4. Elvers square arena, fresh salt water, turned more toward anode stronger electric Reversal polarity reversed direction turning. 5. While results are preliminary, they suggest that elevers do not utilize geomagnetic directly, but may oceanic fields for orientation. 6. A predominance right left many maze suggests might be “handed”, possibility this handedness phenomenon artifact apparatus cannot eliminated.