Fluctuating Asymmetry and Length-Weight Relationship of the Three Populations of Sardinella lemuru (Clupeiformes, Dorosomatidae) from Surigao del Norte, Philippines
Despite its economic importance and current conservation status, studies on Sardinella lemuru (Bleeker, 1853) are very scarce in the province of Surigao del Norte, Philippines, so this study was conducted to assess the body shape and health status of fish populations in the area using fluctuating as...
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Publishing House "Akademperiodyka" of the National Academy of Sciences of Ukraine
2023
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oai:ojs.akademperiodyka.org.ua:article-4142023-12-05T09:38:58Z Fluctuating Asymmetry and Length-Weight Relationship of the Three Populations of Sardinella lemuru (Clupeiformes, Dorosomatidae) from Surigao del Norte, Philippines Cinco, J. G. Farma, J. Silvosa, J. D. Weling, C. B. Cuadrado, J. T. environmental stressors fins head region negative allometric growth pattern Despite its economic importance and current conservation status, studies on Sardinella lemuru (Bleeker, 1853) are very scarce in the province of Surigao del Norte, Philippines, so this study was conducted to assess the body shape and health status of fish populations in the area using fluctuating asymmetry (FA) and length-weight ratio (LWR) analyses. 258 individuals were collected from the coastal waters of Malimono (n = 6), San Francisco (n = 101) and Surigao (100) from August to October 2021 using fishnets and gillnets. Among the three populations, fish samples from Malimono have the highest cumulative variation of 63.07 % followed by San Francisco and Surigao City (60.85 % and 55.51 %). The high percentage of FA among the three populations (57.66 % in Malimono; 54.43 % in San Francisco; and 49.78 % in Surigao City) also suggests that individuals had deformities particularly, especially in the fins and head region of the fish. The LWR of the fish samples (b = 2.6398 in Malimono; b = 2.7541 in San Francisco; and b = 2.8377 in Surigao City) indicates a negative allometric growth pattern, suggesting that the fish samples do not grow symmetrically or become thinner with increasing length. The results of FA and LWR analyses suggest morphological abnormalities in the fish samples that may be attributed to the different environmental stressors in the area. Studies on sex differences, water quality and fish ecology are suggested to better understand the current status of fish in the area. Publishing House "Akademperiodyka" of the National Academy of Sciences of Ukraine 2023-06-02 Article Article application/pdf https://ojs.akademperiodyka.org.ua/index.php/Zoodiversity/article/view/414 10.15407/zoo2023.04.293 Zoodiversity; Vol. 57 No. 4 (2023): Zoodiversity Zoodiversity (Vestnik Zoologii); Том 57 № 4 (2023): Zoodiversity 2707-7268 2707-725X 10.15407/zoo2023.04 en https://ojs.akademperiodyka.org.ua/index.php/Zoodiversity/article/view/414/219 Copyright (c) 2022 Zoodiversity |
| institution |
Zoodiversity |
| collection |
OJS |
| language |
English |
| topic |
environmental stressors fins head region negative allometric growth pattern |
| spellingShingle |
environmental stressors fins head region negative allometric growth pattern Cinco, J. G. Farma, J. Silvosa, J. D. Weling, C. B. Cuadrado, J. T. Fluctuating Asymmetry and Length-Weight Relationship of the Three Populations of Sardinella lemuru (Clupeiformes, Dorosomatidae) from Surigao del Norte, Philippines |
| topic_facet |
environmental stressors fins head region negative allometric growth pattern |
| format |
Article |
| author |
Cinco, J. G. Farma, J. Silvosa, J. D. Weling, C. B. Cuadrado, J. T. |
| author_facet |
Cinco, J. G. Farma, J. Silvosa, J. D. Weling, C. B. Cuadrado, J. T. |
| author_sort |
Cinco, J. G. |
| title |
Fluctuating Asymmetry and Length-Weight Relationship of the Three Populations of Sardinella lemuru (Clupeiformes, Dorosomatidae) from Surigao del Norte, Philippines |
| title_short |
Fluctuating Asymmetry and Length-Weight Relationship of the Three Populations of Sardinella lemuru (Clupeiformes, Dorosomatidae) from Surigao del Norte, Philippines |
| title_full |
Fluctuating Asymmetry and Length-Weight Relationship of the Three Populations of Sardinella lemuru (Clupeiformes, Dorosomatidae) from Surigao del Norte, Philippines |
| title_fullStr |
Fluctuating Asymmetry and Length-Weight Relationship of the Three Populations of Sardinella lemuru (Clupeiformes, Dorosomatidae) from Surigao del Norte, Philippines |
| title_full_unstemmed |
Fluctuating Asymmetry and Length-Weight Relationship of the Three Populations of Sardinella lemuru (Clupeiformes, Dorosomatidae) from Surigao del Norte, Philippines |
| title_sort |
fluctuating asymmetry and length-weight relationship of the three populations of sardinella lemuru (clupeiformes, dorosomatidae) from surigao del norte, philippines |
| description |
Despite its economic importance and current conservation status, studies on Sardinella lemuru (Bleeker, 1853) are very scarce in the province of Surigao del Norte, Philippines, so this study was conducted to assess the body shape and health status of fish populations in the area using fluctuating asymmetry (FA) and length-weight ratio (LWR) analyses. 258 individuals were collected from the coastal waters of Malimono (n = 6), San Francisco (n = 101) and Surigao (100) from August to October 2021 using fishnets and gillnets. Among the three populations, fish samples from Malimono have the highest cumulative variation of 63.07 % followed by San Francisco and Surigao City (60.85 % and 55.51 %). The high percentage of FA among the three populations (57.66 % in Malimono; 54.43 % in San Francisco; and 49.78 % in Surigao City) also suggests that individuals had deformities particularly, especially in the fins and head region of the fish. The LWR of the fish samples (b = 2.6398 in Malimono; b = 2.7541 in San Francisco; and b = 2.8377 in Surigao City) indicates a negative allometric growth pattern, suggesting that the fish samples do not grow symmetrically or become thinner with increasing length. The results of FA and LWR analyses suggest morphological abnormalities in the fish samples that may be attributed to the different environmental stressors in the area. Studies on sex differences, water quality and fish ecology are suggested to better understand the current status of fish in the area. |
| publisher |
Publishing House "Akademperiodyka" of the National Academy of Sciences of Ukraine |
| publishDate |
2023 |
| url |
https://ojs.akademperiodyka.org.ua/index.php/Zoodiversity/article/view/414 |
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