Do bacteria, not fish, produce ‘fish kairomone’?

Author: Ringelberg Joop   Van Gool Erik  

Publisher: Oxford University Press

ISSN: 1464-3774

Source: Journal of Plankton Research, Vol.20, Iss.9, 1998-01, pp. : 1847-1852

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Abstract

Fish-associated chemicals enhance phototactic downward swimming in Daphnia. If perch were treated with the antibiotic ampicillin, this enhancement was significantly decreased. Therefore, not fish, but bacteria associated with fish, seem to produce this kairomone.