Which mechanism causes schooling fish to swim with synchronized movements during predator avoidance?

💡 Explanation

When schooling fish sense a pressure change from a nearby predator, the lateral line system detects hydrodynamic stimuli because neuromasts respond to water displacement, coordinating muscle contractions to maintain alignment. Therefore synchronized swimming results, rather than pheromonal signaling, magnetic field detection, or specialized light reception which operate through different sensory modalities.

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