Food of crevalle jack (Caranx hippos) from Florida, Louisiana, and Texas

Saloman, Carl H.; Naughton, Steven P.

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Food of crevalle jack (Caranx hippos) from Florida, Louisiana, and Texas

1984
By Saloman, Carl H. ; Naughton, Steven P.
Series: NOAA technical memorandum NMFS-SEFC ; 134

[PDF-1.57 MB]

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Details:

Personal Author:

Saloman, Carl H. ; Naughton, Steven P.

Saloman, Carl H. ; Naughton, Steven P. Less -
Corporate Authors:

Panama City Laboratory ; Southeast Fisheries Center (U.S.)

Panama City Laboratory ; Southeast Fisheries Center (U.S.) Less -
NOAA Program & Office:

NMFS (National Marine Fisheries Service) ; SEFSC (Southeast Fisheries Science Center)

NMFS (National Marine Fisheries Service) ; SEFSC (Southeast Fisheries Science Center) Less -
Description:

Stomachs of 3,643 crevalIe jack were examined. Fish were caught by hook and line and seines from May 1980 through November 1981 from the continental shelf waters off east central Florida, south Florida, north- west Florida, Louisiana, and Texas. Differences in stomach contents by area, size of predator, season, and year were studied. About 40% of the stomachs were empty. The percent volume of fish, the dominant food category, ranged from 41.9% in Texas to 96.4% in northwest Florida, while the percent frequency of occurrence of fish ranged from 74.4% in Texas to 93.9% in northwest Florida. Twenty-eight families of fish and 50 species of fishes were represented in the diet, with Clupeidae, Carangidae, and Sparidae being the three dominant fish families. Different families of fish were dominant in different areas, with clupeids abundant in 3 or 4 areas depending on method of analysis, sparids in south Florida, and trichiurids in Texas. Penaeid shrimp and portunid crabs, depending on area were the second most important prey, with seagrasses and algae having at least 8% frequency of occurrence in northwest Florida and Texas. Invertebrates were most important in Texas and least important in northwest Florida based on percent volume. Large crevalle jack had a greater variety of food items, less digested fish remains, and a lower percentage of empty stomachs than small crevalle jack. Diet variations between seasons were more evident than between years. Comparisons of diet between areas, size of predator, seasons, and years were difficult due to disparities in sample size.
Content Notes:

Carl H. Saloman and Steven P. Naughton.

"February 1984."

Also available online in PDF from the NOAA Central Library.

Includes bibliographical references (page 5).
Keywords:

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Fishes Food
Series:

NOAA technical memorandum NMFS-SEFC ; 134
Document Type:

Technical Memorandum
Place as Subject:

Florida ; Louisiana ; Texas

Florida ; Louisiana ; Texas Less -
Rights Information:

Public Domain
Compliance:

Library
Main Document Checksum:

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urn:sha256:c189b1f640256f6b96f0b1b856b027d6e6dac5baa4fb62245f6a3be2774aa727
Download URL:

https://repository.library.noaa.gov/view/noaa/5561/noaa_5561_DS1.pdf
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Food of crevalle jack (Caranx hippos) from Florida, Louisiana, and Texas

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