10 Facts About Fish


Fish are aquatic, craniate, gill-bearing animals that lack limbs with digits.

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Fish would continue to evolve through the Paleozoic era, diversifying into a wide variety of forms.

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Fish are an important resource for humans worldwide, especially as food.

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Fish have had a role in culture through the ages, serving as deities, religious symbols, and as the subjects of art, books and movies.

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Fish typically have quite small brains relative to body size compared with other vertebrates, typically one-fifteenth the brain mass of a similarly sized bird or mammal.

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Fish eyes are similar to those of terrestrial vertebrates like birds and mammals, but have a more spherical lens.

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Fish can produce either stridulatory sounds by moving components of the skeletal system, or can produce non-stridulatory sounds by manipulating specialized organs such as the swimbladder.

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Fish have been recognized as a source of beauty for almost as long as used for food, appearing in cave art, being raised as ornamental fish in ponds, and displayed in aquariums in homes, offices, or public settings.

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Fish were sacred to the Syrian goddess Atargatis and, during her festivals, only her priests were permitted to eat them.

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Fish is used as a singular noun, or as a plural to describe multiple individuals from a single species.

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