Incidences of taillessness in Acanthopagrus arabicus and Oreochromis niloticus collected from the Shatt al-Arab River, Basrah, Iraq
Taillessness (the absence of the caudal fin and some of the caudal peduncle) is described in Acanthopagrus arabicus Iwatsuki and Oreochromis niloticus (L.) specimens collected from the Shatt al-Arab River, Basrah, Iraq. The abnormal specimens completely lacked caudal fins and peduncles. The last rem...
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| Language: | English |
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2024-12-01
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| Series: | Fisheries & Aquatic Life |
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| Online Access: | https://doi.org/10.2478/aopf-2024-0020 |
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| author | Abed Jassim M. Jawad Laith A. Ankush Mujtaba A. |
| author_facet | Abed Jassim M. Jawad Laith A. Ankush Mujtaba A. |
| author_sort | Abed Jassim M. |
| collection | DOAJ |
| description | Taillessness (the absence of the caudal fin and some of the caudal peduncle) is described in Acanthopagrus arabicus Iwatsuki and Oreochromis niloticus (L.) specimens collected from the Shatt al-Arab River, Basrah, Iraq. The abnormal specimens completely lacked caudal fins and peduncles. The last remaining caudal vertebra was turned downward in A. arabicus, whereas the remaining parts of the caudal fin skeleton were turned upward in O. niloticus. The abnormalities were assessed by morphological diagnosis. None of the cases was fatal as they occurred in adult individuals. The likely reasons for these abnormalities and the appropriateness of this case study for environmental monitoring are discussed. Additional studies should be conducted from the viewpoint of pollution. |
| format | Article |
| id | doaj-art-40e1264e300b4ea9986f2061bcc77ca2 |
| institution | Kabale University |
| issn | 2545-059X |
| language | English |
| publishDate | 2024-12-01 |
| publisher | Sciendo |
| record_format | Article |
| series | Fisheries & Aquatic Life |
| spelling | doaj-art-40e1264e300b4ea9986f2061bcc77ca22025-02-10T13:25:25ZengSciendoFisheries & Aquatic Life2545-059X2024-12-0132422723410.2478/aopf-2024-0020Incidences of taillessness in Acanthopagrus arabicus and Oreochromis niloticus collected from the Shatt al-Arab River, Basrah, IraqAbed Jassim M.0Jawad Laith A.1Ankush Mujtaba A.21Department of Fisheries and Marine Resources, College of Agriculture, University of Basrah, Basrah, Iraq2School of Environmental and Animal Sciences, Unitec Institute of Technology, Auckland, New Zealand1Department of Fisheries and Marine Resources, College of Agriculture, University of Basrah, Basrah, IraqTaillessness (the absence of the caudal fin and some of the caudal peduncle) is described in Acanthopagrus arabicus Iwatsuki and Oreochromis niloticus (L.) specimens collected from the Shatt al-Arab River, Basrah, Iraq. The abnormal specimens completely lacked caudal fins and peduncles. The last remaining caudal vertebra was turned downward in A. arabicus, whereas the remaining parts of the caudal fin skeleton were turned upward in O. niloticus. The abnormalities were assessed by morphological diagnosis. None of the cases was fatal as they occurred in adult individuals. The likely reasons for these abnormalities and the appropriateness of this case study for environmental monitoring are discussed. Additional studies should be conducted from the viewpoint of pollution.https://doi.org/10.2478/aopf-2024-0020acanthopagrus arabicusoreochromis niloticussparidaecichlidaedeformitymalformation |
| spellingShingle | Abed Jassim M. Jawad Laith A. Ankush Mujtaba A. Incidences of taillessness in Acanthopagrus arabicus and Oreochromis niloticus collected from the Shatt al-Arab River, Basrah, Iraq Fisheries & Aquatic Life acanthopagrus arabicus oreochromis niloticus sparidae cichlidae deformity malformation |
| title | Incidences of taillessness in Acanthopagrus arabicus and Oreochromis niloticus collected from the Shatt al-Arab River, Basrah, Iraq |
| title_full | Incidences of taillessness in Acanthopagrus arabicus and Oreochromis niloticus collected from the Shatt al-Arab River, Basrah, Iraq |
| title_fullStr | Incidences of taillessness in Acanthopagrus arabicus and Oreochromis niloticus collected from the Shatt al-Arab River, Basrah, Iraq |
| title_full_unstemmed | Incidences of taillessness in Acanthopagrus arabicus and Oreochromis niloticus collected from the Shatt al-Arab River, Basrah, Iraq |
| title_short | Incidences of taillessness in Acanthopagrus arabicus and Oreochromis niloticus collected from the Shatt al-Arab River, Basrah, Iraq |
| title_sort | incidences of taillessness in acanthopagrus arabicus and oreochromis niloticus collected from the shatt al arab river basrah iraq |
| topic | acanthopagrus arabicus oreochromis niloticus sparidae cichlidae deformity malformation |
| url | https://doi.org/10.2478/aopf-2024-0020 |
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