Unknown
California Department of Fish and Game
|
Long Beach, CA
In:
http://aquaticcommons.org/id/eprint/685
|
8
|
2011-09-29 21:41:47
|
685
|
California Department of Fish and Game
Publication Date:
2021-07-02
Description:
Biological knowledge of jack mackerel is not extensive,and as yet no information on maturity or growth ratehas been documented. Analysis of fish caught in theSouthern California Bight indicates a spawning seasonfrom March through October. By the end of their firstyear, most females (70%) are capable of spawning, andthe percentage increases with age.Weight-length curves were calculated for a 2 monthperiod (July and August), and for the entire year. Avon Bertalanffy growth curve was determined fromJuly-August data to represent size of each age groupnear the designated August 1 birthdate. (328pp.)
Keywords:
Fisheries
;
Biology
;
jack mackerel
;
Trachurus symmetricus
;
California
;
age and growth
Repository Name:
AquaDocs
Type:
monograph
Format:
application/pdf
Format:
application/pdf
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