Shell morphology of marine gastropod Cerithium caeruleum is influenced by variation in environmental condition across the northern Persian Gulf and the Gulf of Oman

Amini-Yekta, Fatemeh; Shokri, Mohammad Reza; Maghsoudlou, Abdolvahab; Rajabi-Maham, Hassan

doi:10.1016/j.rsma.2018.100478

Cited by 2 publications

(3 citation statements)

References 43 publications

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“…Morphometric techniques, both traditional and geometric, have been widely used in ecological and evolutionary studies (Carvajal-Rodríguez et al 2005;Fedosov et al 2011;Epherra et al 2015). Shape variation of body structures, such as shells in gastropods, has a genetic basis but is also influenced by environmental and epigenetic processes (Atchley and Hall 1991;Valentin et al 2002;Rufino et al 2006;Amini-Yekta et al 2019). Therefore, to fully understand factors that determine shape it is necessary to consider the ontogenetic development and also adaptations to environment besides genetics (Hanken and Wake 1991;Lombard 1991;Müller 1991).…”

Section: Discussionmentioning

confidence: 99%

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Morphological shell variation of Zidona dufresnei (Caenogastropoda: Volutidae) from the Southwestern Atlantic Ocean

et al. 2020

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The volutid gastropod Zidona dufresnei is an important fishery resource from the Southwestern Atlantic Ocean. This species exhibits strong interpopulation differences in life history features, which lead to postulate the existence of two morphotype ('normal' and 'dwarf'). In this study, we combine and compare traditional and geometric morphometrics to capture shell shape variation of Z. dufresnei among three populations from Mar del Plata (37° S) to San Matías Gulf (42° S) to test the hypothesis that the phenotypic variation already described in the life cycle and size is also expressed in the shell shape. Significant differences in the shell morphology among these three populations were detected, mainly associated to the maximum size of individuals and shell shape. The Bahía San Antonio morphotype had shells with higher general roundness and weight compared to San Matías Gulf and Mar del Plata morphotypes, which were not differentiated. Our results support the hypothesis of Lahille (1895) who distinguished the morphotype of Bahía San Antonio ('dwarf' morphotype) as Voluta angulata affinis. The functional significance of the variability found is discussed in terms of the ecological and genetic effects on shape and size.

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Section: Discussionmentioning

confidence: 99%

“…border of the suture of the last anfract) (Bookstein 1991). These landmarks are typically chosen to study shell variation in snails (Chiu et al 2002;Cruz et al 2012;Avaca et al 2013;Vergara et al 2016, Vaux et al 2017Amini-Yekta et al 2019). Landmark coordinates were obtained by using TPSDig v.2 software (Rohlf 2001).…”

Section: Morphometric Analysismentioning

confidence: 99%

Morphological shell variation of Zidona dufresnei (Caenogastropoda: Volutidae) from the Southwestern Atlantic Ocean

et al. 2020

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“…The GM-based methods are widely applied to investigate variation in the shape of gastropod shells. The main fields of application include the study of intraspecific variability (Vuolo et al, 2011;Madeira et al, 2012;Moneva et al, 2012b;Sepúlveda and Ibáñez, 2012;Vogler et al, 2012;Avaca et al, 2013;Camama et al, 2014;Jamasali et al, 2014;Sobrepeña and Demayo, 2014;Cazenave and Zanatta, 2016;Zhao et al, 2019;Tuset et al, 2020) and assessment of environmental impacts (Sepúlveda and Ibáñez, 2012;Vogler et al, 2012;Vasallo et al, 2013;Camama et al, 2014;Cazenave and Zanatta, 2016;Amini-Yekta et al, 2019;Zhao et al, 2019), including the effect of pollution (Márquez et al, 2011;Abdelhady, 2016;Primost et al, 2016). Nevertheless, GM was also used for identification of mollusks (Doyle et al, 2018), evaluation of interspecific variability (Dommergues et al, 2003;Carvajal-Rodríguez et al, 2005;Vuolo et al, 2011;Cruz et al, 2012;Vogler et al, 2012;Silos et al, 2014;Becker et al, 2016;Miller, 2016), ontogenetic and individual variation (Moneva et al, 2012a;Avaca et al, 2013;Sobrepeña and Demayo, 2014), and to characterize phylogenetic relationships (Smith and Hendricks, 2013;…”

Section: Shellsmentioning

confidence: 99%

Application of Shape Analyses to Recording Structures of Marine Organisms for Stock Discrimination and Taxonomic Purposes

Lishchenko

Jones

2021

Front. Mar. Sci.

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Morphometric analysis of biogenic recording structures within marine organisms has applications in stock assessment, taxonomics, and ecomorphological studies, with shape variation markedly influenced by both genetics and the surrounding environment. Geometric morphometrics (GM) is an alternative approach to the “traditional” method of collecting linear measurements and applying multivariate statistical methods to these data. Landmark- and outline-based GM methods are suggested to have several advantages over the “traditional” method. Due to the increasing popularity of GM methods in the modern literature, this chapter first compares different morphometric techniques, and then reviews the methods applied to recording structures, with a focus on GM outline-based analyses. It is clear that outline methods have become a popular method of analysis for structures such as otoliths, particularly for the purpose of distinguishing between population components. However, for other structures such as beaks this technique is only in its early stages of application and is more difficult to apply but shows great promise for future studies. The advantages of using a holistic approach, incorporating several techniques including outline analysis for stock identification purposes is discussed.

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Shell morphology of marine gastropod Cerithium caeruleum is influenced by variation in environmental condition across the northern Persian Gulf and the Gulf of Oman

Cited by 2 publications

References 43 publications

Morphological shell variation of Zidona dufresnei (Caenogastropoda: Volutidae) from the Southwestern Atlantic Ocean

Morphological shell variation of Zidona dufresnei (Caenogastropoda: Volutidae) from the Southwestern Atlantic Ocean

Application of Shape Analyses to Recording Structures of Marine Organisms for Stock Discrimination and Taxonomic Purposes

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