Rapid, accurate time estimation in zebrafish (Danio rerio).

Highlights: [•] Zebrafish were trained in a Pavlovian conditioning paradigm. [•] The conditioned stimulus (CS) was an illuminated pole. The unconditioned stimulus (US) was dry shrimps. The conditioned response (CR) was biting directed at the pole. [•] The CS–US interval was manipulated to look at its effect on the latency of the CR. [•] The CR latency displayed proportional timing (the CR latency was proportional to the CS–US interval) and the scalar property (the CR latency standard deviation was proportional to its mean). [•] It took as few as 40 trials for the CR latency to adapt to the CS–US interval. [Copyright &y& Elsevier]

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