<p><span style=\"font-family: Times New Roman;\"><em style=\"mso-bidi-font-style: normal;\"><span style=\"background: white; font-size: 10pt; font-weight: normal; mso-bidi-font-weight: bold; mso-bidi-font-size: 9.0pt;\" lang=\"EN-US\">Genetic and environmental factors contribute to the phenotype of organisms. Genetic make-up within same species is very close thus more of the variations are accounted to the environment.</span></em><em style=\"mso-bidi-font-style: normal;\"><span style=\"background: white; font-size: 10pt; font-weight: normal; mso-bidi-font-weight: bold;\" lang=\"EN-US\">Extreme environmental conditions along with anthropogenic factors such as pollution put on pressures to organisms.<span style=\"mso-spacerun: yes;\">&nbsp; </span>These pressures directly affect the development of organisms which may be observed in their morphological aspect. Furthermore, this study was conducted to describe the body shapes within the three-spotted gourami, Trichopodus trichopterus species as well as to determine significant differences in their morphological aspect as affected by environmental pressures. Twenty landmarks from images of 60 individuals (30 per sex) were subjected to Relative Warp (RW) Analysis, Multivariate Analysis of Variance (MANOVA), and Discriminant Function Analysis (DFA)using Geometric Morphometrics. </span></em><em style=\"mso-bidi-font-style: normal;\"><span style=\"font-size: 10pt; font-weight: normal; mso-bidi-font-weight: bold;\" lang=\"EN-US\">Results revealed significant sexual dimorphism among T. trichopterus species which can be attributed to their varied reproductive roles. Morphological variations within sexes are attributed as effects of environmental pressures.</span></em></span></p>
<p><span style=\"font-family: Times New Roman; font-size: medium;\"><strong> Keywords</strong>:- </span><span style=\"mso-bookmark: PointTmp;\"><span style=\"font-family: \'Times New Roman\',\'serif\'; font-size: 10pt;\" lang=\"EN-US\">Geometric Morphometrics, Intraspecific Morphological Variations<em style=\"mso-bidi-font-style: normal;\"><span style=\"mso-bidi-font-weight: bold;\">, </span></em>Sexual Dimorphism, <em style=\"mso-bidi-font-style: normal;\"><span style=\"mso-bidi-font-weight: bold;\">Trichopodus trichopterus</span></em></span></span></p>