alexa Relationship between Fish Size and Otolith Length for 63 Species of Fishes from the Eastern North Pacific Ocean
Agri and Aquaculture

Agri and Aquaculture

Fisheries and Aquaculture Journal

Author(s): JAMES T HARVEY

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Otoliths commonly are used to determine the taxon, age, and size of fishes. This information is useful for population management, predator-prey studies, and archaeological research. The relationship between the length of a fish and the length of its otoliths remains unknown for many species of marine fishes in the Pacific Ocean. Therefore, the relationships between fish length and fish weight, and between otolith length and fish length, were developed for 63 species of fishes caught in the eastern North Pacific Ocean. We also summarized similar relationships for 46 eastern North Pacific fish species reported in the literature. The relationship between fish length and otolith length was linear, and most of the variability was explained by a simple least-squares regression (r 2 > 0.700 for 45 of 63 species). The relationship between otolith length and fish length was not significantly different between left and right otoliths for all but one fish species. Images of otoliths from 77 taxa are included to assist in the identification of species.

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This article was published in NOAA Technical Report NMFS 150 and referenced in Fisheries and Aquaculture Journal

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