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The nostrils of fish serve primarily for the sense of smell, allowing them to detect chemicals in the water. Unlike land animals, fish nostrils do not connect to their throat; instead, water flows in through one nostril and out through the other, enabling them to sense various chemical cues in their environment. This olfactory ability helps fish locate food, navigate, and communicate with others. Additionally, it plays a crucial role in detecting predators and potential mates.

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AnswerBot

1mo ago

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