Length-weight relationships of Indian squid, Uroteuthis duvaucelii and Bigfin reef squid, Sepioteuthis lessoniana from the coastal waters of Langkawi Island, Malaysia
Studies on the length-weight relationship (LWR) are crucial for understanding the growth, health, and ecological dynamics of fish and cephalopod populations. This study investigates how weight varies relative to its length. There have been limited studies on LWR in cephalopods, especially in Malaysi...
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EDP Sciences
2024-01-01
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| Series: | E3S Web of Conferences |
| Online Access: | https://www.e3s-conferences.org/articles/e3sconf/pdf/2024/129/e3sconf_staclim2024_02006.pdf |
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| author | Rohizad Maidin Mohd Samsul Mastura Mustapha Atikah Harun Nadiayatul Wahab Abdullah Abdul Luqman Wan Rosdi Wan Muhammad Asyraf Raja Omar Raja Hanif Faizah Ismail Haryati Abd. Wahab Bakri Miswan |
| author_facet | Rohizad Maidin Mohd Samsul Mastura Mustapha Atikah Harun Nadiayatul Wahab Abdullah Abdul Luqman Wan Rosdi Wan Muhammad Asyraf Raja Omar Raja Hanif Faizah Ismail Haryati Abd. Wahab Bakri Miswan |
| author_sort | Rohizad Maidin Mohd Samsul |
| collection | DOAJ |
| description | Studies on the length-weight relationship (LWR) are crucial for understanding the growth, health, and ecological dynamics of fish and cephalopod populations. This study investigates how weight varies relative to its length. There have been limited studies on LWR in cephalopods, especially in Malaysia. This research aimed to explore the size frequency, length-weight relationship and relative condition factor of Uroteuthis duvaucelii and Sepioteuthis lessoniana in Langkawi Island. The samples were caught using squid cast net with a mesh size of 1.0 to 1.5 inch. Linear regression analysis was used to established the LWR of the species. Maximum mantle length for U. duvaucelii was recorded to be 213 mm long, and 98 mm for S. lessoniana. The growth coefficient b values calculated for U. duvaucelii and S. lessoniana were 2.068 and 2.3839, respectively, indicating negative allometric growth in this region. The mean relative condition factor (Kn) obtained for U. duvaucelii and S. lessoniana was similar, approximately 1.0 ± 0.1 suggesting favorable life conditions. The findings from this study are valuable in managing and conserving these species in Langkawi Island, Kedah. |
| format | Article |
| id | doaj-art-f5cc3bc507e4468cad31dd02fed22dd7 |
| institution | Kabale University |
| issn | 2267-1242 |
| language | English |
| publishDate | 2024-01-01 |
| publisher | EDP Sciences |
| record_format | Article |
| series | E3S Web of Conferences |
| spelling | doaj-art-f5cc3bc507e4468cad31dd02fed22dd72025-01-16T11:22:27ZengEDP SciencesE3S Web of Conferences2267-12422024-01-015990200610.1051/e3sconf/202459902006e3sconf_staclim2024_02006Length-weight relationships of Indian squid, Uroteuthis duvaucelii and Bigfin reef squid, Sepioteuthis lessoniana from the coastal waters of Langkawi Island, MalaysiaRohizad Maidin Mohd Samsul0Mastura Mustapha1Atikah Harun Nadiayatul2Wahab Abdullah Abdul3Luqman Wan Rosdi Wan Muhammad4Asyraf Raja Omar Raja Hanif5Faizah Ismail6Haryati Abd. Wahab7Bakri Miswan8Fisheries Research Institute Kampung Acheh, Department of FisheriesFisheries Research Institute Kampung Acheh, Department of FisheriesFisheries Research Institute Kampung Acheh, Department of FisheriesFisheries Research Institute Kampung Acheh, Department of FisheriesFisheries Research Institute Kampung Acheh, Department of FisheriesFisheries Research Institute Kampung Acheh, Department of FisheriesDepartment of Fisheries HeadquartersDepartment of Fisheries HeadquartersDepartment of Fisheries HeadquartersStudies on the length-weight relationship (LWR) are crucial for understanding the growth, health, and ecological dynamics of fish and cephalopod populations. This study investigates how weight varies relative to its length. There have been limited studies on LWR in cephalopods, especially in Malaysia. This research aimed to explore the size frequency, length-weight relationship and relative condition factor of Uroteuthis duvaucelii and Sepioteuthis lessoniana in Langkawi Island. The samples were caught using squid cast net with a mesh size of 1.0 to 1.5 inch. Linear regression analysis was used to established the LWR of the species. Maximum mantle length for U. duvaucelii was recorded to be 213 mm long, and 98 mm for S. lessoniana. The growth coefficient b values calculated for U. duvaucelii and S. lessoniana were 2.068 and 2.3839, respectively, indicating negative allometric growth in this region. The mean relative condition factor (Kn) obtained for U. duvaucelii and S. lessoniana was similar, approximately 1.0 ± 0.1 suggesting favorable life conditions. The findings from this study are valuable in managing and conserving these species in Langkawi Island, Kedah.https://www.e3s-conferences.org/articles/e3sconf/pdf/2024/129/e3sconf_staclim2024_02006.pdf |
| spellingShingle | Rohizad Maidin Mohd Samsul Mastura Mustapha Atikah Harun Nadiayatul Wahab Abdullah Abdul Luqman Wan Rosdi Wan Muhammad Asyraf Raja Omar Raja Hanif Faizah Ismail Haryati Abd. Wahab Bakri Miswan Length-weight relationships of Indian squid, Uroteuthis duvaucelii and Bigfin reef squid, Sepioteuthis lessoniana from the coastal waters of Langkawi Island, Malaysia E3S Web of Conferences |
| title | Length-weight relationships of Indian squid, Uroteuthis duvaucelii and Bigfin reef squid, Sepioteuthis lessoniana from the coastal waters of Langkawi Island, Malaysia |
| title_full | Length-weight relationships of Indian squid, Uroteuthis duvaucelii and Bigfin reef squid, Sepioteuthis lessoniana from the coastal waters of Langkawi Island, Malaysia |
| title_fullStr | Length-weight relationships of Indian squid, Uroteuthis duvaucelii and Bigfin reef squid, Sepioteuthis lessoniana from the coastal waters of Langkawi Island, Malaysia |
| title_full_unstemmed | Length-weight relationships of Indian squid, Uroteuthis duvaucelii and Bigfin reef squid, Sepioteuthis lessoniana from the coastal waters of Langkawi Island, Malaysia |
| title_short | Length-weight relationships of Indian squid, Uroteuthis duvaucelii and Bigfin reef squid, Sepioteuthis lessoniana from the coastal waters of Langkawi Island, Malaysia |
| title_sort | length weight relationships of indian squid uroteuthis duvaucelii and bigfin reef squid sepioteuthis lessoniana from the coastal waters of langkawi island malaysia |
| url | https://www.e3s-conferences.org/articles/e3sconf/pdf/2024/129/e3sconf_staclim2024_02006.pdf |
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