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Heavy metal content in otoliths of king mackerel (Scomberomorus cavalla) in relation to body length and age
Grady, J.R.; Johnson, A.G.; Sanders, M. (1989). Heavy metal content in otoliths of king mackerel (Scomberomorus cavalla) in relation to body length and age. Contrib. mar. sci. 31: 17-23
In: Contributions in Marine Science. The University of Texas. Marine Science Institute: Port Aransas. ISSN 0082-3449, more
Peer reviewed article  

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Keywords
    Biological age; Body size; Cadmium; Copper; Heavy metals; Lead; Mathematical models; Otoliths; Zinc; Scomberomorus cavalla (Cuvier, 1829) [WoRMS]; Teleostei [WoRMS]; Marine

Authors  Top 
  • Grady, J.R.
  • Johnson, A.G.
  • Sanders, M.

Abstract
    The maximum concentrations of heavy metals (zinc, cadmium, copper, and lead) in otoliths of king mackerel (Scomberomorus cavalla ) were found in very young fish. The apparent decline in content of metals with age and length in king mackerel otoliths most approximated a negative power curve (y = ax-b). The zinc content of otoliths was found to vary significantly between areas in the southeast U.S. and with the age of the fish.

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