Validated age and growth of Barred Sand Bass within the Southern California Bight
The recreational fishery for Barred Sand Bass (Paralabrax nebulifer) has recently shown declines in catch prompting a need for updating life-history attributes. The objective of this study was to provide a more extensive and current examination of Barred Sand Bass age and growth. Fish were collec...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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California Department of Fish and Wildlife
2020-12-01
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| Series: | California Fish and Wildlife Journal |
| Subjects: | |
| Online Access: | https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=187247&inline |
| _version_ | 1797782934689677312 |
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| author | Kimberly M. Walker Kimberly M. Pentilla Erica T. Jarvis-Mason Charles F. Valle |
| author_facet | Kimberly M. Walker Kimberly M. Pentilla Erica T. Jarvis-Mason Charles F. Valle |
| author_sort | Kimberly M. Walker |
| collection | DOAJ |
| description | The recreational fishery for Barred Sand Bass (Paralabrax nebulifer) has
recently shown declines in catch prompting a need for updating life-history
attributes. The objective of this study was to provide a more extensive and
current examination of Barred Sand Bass age and growth. Fish were collected
from the southern California bight from 2011 to 2015. Using Akaike Information Criteria analysis we determined that the three-parameter von Bertalanffy
growth model was the best fit out of the four tested models (Gompertz, Logistic, Power, and von Bertalanffy). Males grew slightly quicker than females
(k, males = 0.10, females = 0.08). Males and females did not differ in length,
weight, or the length-weight relationship. We also validated yearly banding
of Barred Sand Bass with oxytetracycline marking of two fish in captivity for
one year. Location of the first annulus was also validated with otolith diameter
measurements. Finally, we compared the current study to a past 1990’s study
and observed different growth parameters. The growth difference after thirty
years showed that possible fishing pressure and environmental factors might
have influenced changes in growth. This study provides current information
on age, growth over time and, otolith morphometrics, for Barred Sand Bass. |
| first_indexed | 2024-03-13T00:18:58Z |
| format | Article |
| id | doaj.art-04959c91ba6f44fa96dc8fc431a13776 |
| institution | Directory Open Access Journal |
| issn | 2689-419X 2689-4203 |
| language | English |
| last_indexed | 2024-03-13T00:18:58Z |
| publishDate | 2020-12-01 |
| publisher | California Department of Fish and Wildlife |
| record_format | Article |
| series | California Fish and Wildlife Journal |
| spelling | doaj.art-04959c91ba6f44fa96dc8fc431a137762023-07-11T17:10:18ZengCalifornia Department of Fish and WildlifeCalifornia Fish and Wildlife Journal2689-419X2689-42032020-12-01106420522010.51492/cfwj.106.19Validated age and growth of Barred Sand Bass within the Southern California BightKimberly M. Walker0Kimberly M. Pentilla1Erica T. Jarvis-Mason2https://orcid.org/0000-0003-3366-157XCharles F. Valle3California Department of Fish and WildlifeCalifornia Department of Fish and WildlifeScripps Institute of Oceanography, University of California, San DiegoCalifornia Department of Fish and WildlifeThe recreational fishery for Barred Sand Bass (Paralabrax nebulifer) has recently shown declines in catch prompting a need for updating life-history attributes. The objective of this study was to provide a more extensive and current examination of Barred Sand Bass age and growth. Fish were collected from the southern California bight from 2011 to 2015. Using Akaike Information Criteria analysis we determined that the three-parameter von Bertalanffy growth model was the best fit out of the four tested models (Gompertz, Logistic, Power, and von Bertalanffy). Males grew slightly quicker than females (k, males = 0.10, females = 0.08). Males and females did not differ in length, weight, or the length-weight relationship. We also validated yearly banding of Barred Sand Bass with oxytetracycline marking of two fish in captivity for one year. Location of the first annulus was also validated with otolith diameter measurements. Finally, we compared the current study to a past 1990’s study and observed different growth parameters. The growth difference after thirty years showed that possible fishing pressure and environmental factors might have influenced changes in growth. This study provides current information on age, growth over time and, otolith morphometrics, for Barred Sand Bass. https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=187247&inlineage estimationage validationparalabrax nebuliferbarred sand bassgrowthotolith |
| spellingShingle | Kimberly M. Walker Kimberly M. Pentilla Erica T. Jarvis-Mason Charles F. Valle Validated age and growth of Barred Sand Bass within the Southern California Bight California Fish and Wildlife Journal age estimation age validation paralabrax nebulifer barred sand bass growth otolith |
| title | Validated age and growth of Barred Sand Bass within the Southern California Bight |
| title_full | Validated age and growth of Barred Sand Bass within the Southern California Bight |
| title_fullStr | Validated age and growth of Barred Sand Bass within the Southern California Bight |
| title_full_unstemmed | Validated age and growth of Barred Sand Bass within the Southern California Bight |
| title_short | Validated age and growth of Barred Sand Bass within the Southern California Bight |
| title_sort | validated age and growth of barred sand bass within the southern california bight |
| topic | age estimation age validation paralabrax nebulifer barred sand bass growth otolith |
| url | https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=187247&inline |
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