Temperature-related variation in growth rate, size, maturation and life span in a marine herbivorous fish over a latitudinal gradient

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A long-standing hypothesis predicts that marine piscine herbivory is restricted to warmer latitudes. This study shows that temperature, not nutritional ecology, has a pervasive influence on the demography of a marine herbivorous fish and argues against the hypothesis that marine herbivorous fishes are nutritionally compromised at latitudes exceeding 30°.

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