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Diets of young king and Spanish mackerel off the southeast United States
Finucance, J.H.; Grimes, C.B.; Naughton, S.P. (1990). Diets of young king and Spanish mackerel off the southeast United States. N.E. Gulf Sci. 11(2): 145-153
In: Northeast Gulf Science. Marine Environmental Science Consortium of Alabama: Dauphin Island. ISSN 0148-9836, more

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Keywords
    Feeding behaviour; Fish larvae; Juveniles; Scomberomorus cavalla (Cuvier, 1829) [WoRMS]; Scomberomorus maculatus (Mitchill, 1815) [WoRMS]; Marine

Authors  Top 
  • Finucance, J.H.
  • Grimes, C.B.
  • Naughton, S.P.

Abstract
    The diet of larval and post-larval (n = 95 and 307), and juvenile (n = 489 and 508) king (Scomberomorus cavalla) and Spanish mackerel (S. maculatus) from the Gulf of Mexico and southeastern Atlantic coastal waters of the U.S. consisted principally of fishes. Carangids, clupeids, and engraulids occurred in 23, 7 and 9% of larval and post-larval king mackerel stomachs and in 20, 40 and 7% of larval and post-larval Spanish mackerel stomachs, respectively. Sciaenids were also common in king mackerel, occurring in 21% of the stomachs. Prey fishes included the genera Cynoscion, Caranx, and Anchoa, and the species Opisthonema oglinum. Invertebrates, principally small crustaceans and nudibranch larvae, occurred infrequently in the diets of both species, but more so in Spanish mackerel than king mackerel. The dominant prey items for juvenile mackerels from the Atlantic were engraulids, clupeids, balistids, and squids, collectively accounting for 73.3% by volume of the diet of king mackerel and 88.8% of Spanish mackerel.

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