How Underwater Animals Communicate
By: EjazUlHaqBhat
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Underwater animals communicate in a variety of ways, and have specialised organs
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Sound is the most effective way for underwater animals to communicate because it travels long distances and is faster in water than air
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Marine mammals have adaptations for producing and receiving sounds
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For example, whales and dolphins use clicks, chirps, and songs. Large whales can communicate over long distances using low frequencies
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Marine animals use chemical signals, called "info-chemicals", to communicate. These signals can be simple molecules or complex compounds
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Some fish communicate using colour. For example, striped marlin flash messages on their skin to coordinate attacks
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Aquatic animals can communicate through physical contact and electrical signals
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Specialised organs are required for aquatic animals to produce and detect signals
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