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Phenotypic plasticity of the body shape in Prussian carp (Carassius gibelio), in response to lentic and lotic habitats using geometric morphometric technique
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Soheil Eagderi   1, Atta Mouludi-Saleh1 , Solmaz Ahmadi , Narges Javadzadeh |
| 1- University of Tehran |
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Abstract: (3284 Views) |
| This research was conducted to study the phenotypic plasticity of the body shape in Carassius gibelio inhabiting lentic and lotic water bodies using geometric morphometric technique. For this purpose, a total of 119 specimens were collected from Sefid River (n=30), Alagol Lake (n=37), Khoda-Afarin dam Lake (n=21) and Mashkil River (n=31). To extracting body shape data in geometric morphometric method, the left side of specimens were photographed and 15 defined landmark-points were digitized on 2D images using TpsDig2 software. Data after general procratus analysis was analyzed using PCA, CVA, MANOVA and cluster analysis. The results showed a significant differences in the body shape between studied populations (p<0.001). Based on the results, populations of the Alagol and Khoda-Afarin dam lakes had deeper body and smaller head, and those of Sefid River had deeper body, but similar to the Mashkil population had larger head. In addition, Alagol and Khoda-Afarin dam lakes populations were placed together in same clad and those of the Sefid and Mashkil rivers in another clade, indicating the separation of populations inhabiting lentic and lotic habitats. The results also showed that the body shape of C. gibelio changes based on type of type of habitat. |
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| Keywords: Geometric Morphometric, Golden fish, Water current, Damming, Adaption |
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Full-Text [PDF 871 kb]
(772 Downloads)
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Type of Study: Research |
Subject:
بيولوژي آبزيان
Received: 2019/04/10 | Accepted: 2020/04/19 | Published: 2020/04/21
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