Aspects Of The Life History Of The Atlantic Croaker, Micropogon Undulatus

White, Michael L. (Michael Lee); Chittenden, Mark E. (Mark Eustace), 1939-

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Aspects Of The Life History Of The Atlantic Croaker, Micropogon Undulatus

1976
By White, Michael L. (Michael Lee) ; Chittenden, Mark E. (Mark Eustace), 1939-
Series: TAMU-SG ; 76-205

[PDF-1.75 MB]

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Personal Author:

White, Michael L. (Michael Lee) ; Chittenden, Mark E. (Mark Eustace), 1939-

White, Michael L. (Michael Lee) ; Chittenden, Mark E. (Mark Eustace), 1939- Less -
Corporate Authors:

Texas A & M University, Sea Grant College Program, ; National Sea Grant Program (U.S.)

Texas A & M University, Sea Grant College Program, ; National Sea Grant Program (U.S.) Less -
NOAA Program & Office:

Sea Grant ; OAR (Oceanic and Atmospheric Research)

Sea Grant ; OAR (Oceanic and Atmospheric Research) Less -
Sea Grant Program:

TAMU (Texas Sea Grant) ; NSGO/NSGLC (National Sea Grant)

TAMU (Texas Sea Grant) ; NSGO/NSGLC (National Sea Grant) Less -
Description:

A validated scale method of age determination is described for the Atlantic croaker, Micropogon undulatus. Two age classes were generally observed, but only one was abundant. Mean total lengths were 155-165 mm at age I and 270-280 mm at age II based on three methods of growth estimation. Fish matured near the end of their first year of life when they were about 140-170 mm in total length. Spawning occurred from at least September through March but reached a peak in October. Somatic weightlength relationships varied monthly, and changes appeared to be associated with maturation and spawning. Somatic weight reached a maximum in June, and the minimum was observed in March. Maximum somatic weight loss (24%) occurred in March, but no data were obtained from December through February. In estuaries, age 0 croaker appeared to occupy soft-substrate habitat and older fish occurred near oyster reefs. Life spans were only one or two years, and the total annual mortality rate was 96%. The above life history pattern appears similar for croaker found throughout the Carolinean Province. Contrasts are presented to illustrate differences in the life histories of croaker found north and south of Cape Hatteras, N.C.
Keywords:

[+]

Atlantic croaker
Series:

TAMU-SG ; 76-205
Document Type:

Miscellaneous
Funding:

Funding: NOAA Office of Sea Grant; grant number: 04-3-158-18;
Rights Information:

Public Domain
Compliance:

Library
Main Document Checksum:

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urn:sha256:6b54e97a34cb433af0ed0ab1b1866eef4cdd6b7328f1742c784e381384f247fb
Download URL:

https://repository.library.noaa.gov/view/noaa/12775/noaa_12775_DS1.pdf
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Aspects Of The Life History Of The Atlantic Croaker, Micropogon Undulatus

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