What depth do most fish in the ocean live at?



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    The particular species of marine fish determines the depth where it typically lives. There are fish that live in shallow depths, such as the warm waters of coral reefs, and others that survive at the ocean floor, where no light can even reach. Various types of fish can survive in all four ocean zones – the intertidal, pelagic, benthic, and abyssal zones. Fish morphology – involving the fins, gills, nostrils, mouth shape, lateral line, scales and coloration – can help determine the characteristics of the oceans, including depth, where a certain fish can thrive. With a huge expanse of the ocean yet to explored, it is difficult to say the depth that supports the most fish species.

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