Morphological Differentiation of Anadara inaequivalves (Bivalvia, Arcidae) in the Black Sea

Finogenova, N. L.; Kurakin, A. P.; Ковтун, О. А.

doi:10.1615/hydrobj.v49.i1.10

Cited by 3 publications

(5 citation statements)

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“…However, a considerably higher significant FA value was reflected in Samboang population (F=1.8904, p=0.0000) compared in Tulog-bato population (F=0.9572, p=0.0000), this implies that two different populations might have experienced varying ecological stress in their respective habitat and that it could be argued that Samboang populations are more ecologically stressed compared to the Tulog-bato populations (Palmer, 1994). The measured asymmetry in A. oceanica herein supports the idea that the valves of Anadara species are inequivalve wherein the left valves are usually larger than the right valves (Finogenova et al, 2013;Strafella et al, 2018). This random deviation in the symmetry of an organism such as in the case of A. oceanica has been hypothesized to be the result of the genome to protect the organism against stressors during development (Swaddle, 2003).…”

Section: Resultssupporting

confidence: 68%

“…Due to the fact that shell is the most variable part of a bivalve species and is largely affected by environmental conditions (Uba et al, 2019), it has been the most widely used part in studying Anadara species, specifically by focusing on shell shape variation. Succeeding studies in Anadara species supported significant shell shape variation within and between populations (Mzighani, 2005;Faulkner, 2010;Lodola et al, 2011;Finogenova et al, 2013;Souji & Radhakrishnan, 2015;Aydin et al, 2014;Qonita et al, 2015;Meshram & Mohite, 2016). These studies, among others, focused on traditional approaches in morphometric studies (i.e., analysis of linear distances).…”

Section: Description Of Sampling Sites and Collection Of Samplesmentioning

confidence: 98%

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Shell shape variation in populations of common cockle Anadara oceanica (Lesson, 1831) (Bivalvia Arcidae) from the intertidal areas of Margosatubig, Zamboanga del Sur (Philippines)

Alibon¹,

Ordoyo²,

Gonzales³

et al. 2020

Biodiversity Journal

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The advent of geometric morphometrics opened an area to study morphological variations in organisms. Thus, the aim of this study is to use outline-based geometric morphometrics to describe variations in the shell shapes of the left and right valves of Anadara oceanica (Lesson, 1831) (Bivalvia Arcidae) populations from the two neighbouring intertidal zones of Margosatubig, Zamboanga del Sur, Philippines. Herein, there were two levels of analyses that were employed: first, the shell shapes of the outer left and right valves between populations were compared; second, the shell shapes within population were quantitatively determined in terms of its symmetry. Results revealed significant variations both in the left and right valves of A. oceanica between populations. The variations observed are characterized by the deformations in the umbonal and anteroventral angles and in the dorsal, anterior and ventral margins of the outer shell both in the left and right valves. Although further studies are necessary in order to elucidate these variations, the second analysis revealed that the detected asymmetry in the shell shapes within A. oceanica populations was the cause of variation within populations that contributed to the significant variations between populations. Considering that the two sites are not geographically isolated, the results herein clearly proved that shell shape variation could also occur in neighbouring populations. The variations in the shell shapes of A. oceanica populations may have implications to habitat adaptation which aid in understanding the nature of this species especially those dwelling in the intertidal areas of Margosatubig,

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Section: Resultssupporting

confidence: 68%

Section: Description Of Sampling Sites and Collection Of Samplesmentioning

confidence: 98%

Shell shape variation in populations of common cockle Anadara oceanica (Lesson, 1831) (Bivalvia Arcidae) from the intertidal areas of Margosatubig, Zamboanga del Sur (Philippines)

Alibon¹,

Ordoyo²,

Gonzales³

et al. 2020

Biodiversity Journal

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“…Measurement error using these techniques does not contribute significantly to trait variation (Gardner 1995). The traits previously used by the authors in the morphological diagnosis of mollusk shells were used for the analysis (McDonald et al 1991;Finogenova et al 2013) (Fig. 1).…”

Section: Methodsmentioning

confidence: 99%

“…Therefore, Cerastoderma spp. are predominantly easily accessible preys for benthophagous species only during the first two years of life (Anistratenko and Haliman 2006;Finogenova et al 2013).…”

Section: Introductionmentioning

confidence: 99%

Conchological variability of Anadara kagoshimensis (Bivalvia: Arcidae) in the northern part of the Black–Azov Sea basin

Mirzoeva

Жуков

2021

Biologia

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Features of shape and size variability of blood ark (Anadara kagoshimensis) inhabiting biotopes in the northern part of the Black and Azov Seas were studied. Fourteen morphometric traits were measured for each blood ark shell. The principal component analysis extracted only one principal component (PC) whose eigenvalue is greater than 1.0. The PC 1 explained 84.5 % of the variation in morphometric traits and was interpreted to be an integral indicator of mollusk shell size. The variation of morphometric traits due to the size and asymmetry of the valves was subjected to correction using a Multiple General Linear Model with PC 1 as a continuous predictor and right or left valve as a discrete predictor. A cluster analysis was performed based on the residuals after size correction, as a result of which mollusk individuals were divided into four clusters. For mollusks from the Sea of Azov, a characteristic feature was an increased distance between pallial line and ventral shell margin. In turn, mollusks from the Black Sea exhibited an increase in the width of the posterior adductor scar. The observed morphological differences can be explained by different quantity and quality of food, since the soil composition in the biotopes studied is almost identical.

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“…The anadara lives on different soils (sand, rocky, and silt) and at a depth of 3-60 m; its shell is considerably thicker and harder as compared with the Cerastoderma mollusks of the same size; correspondingly, the anadara is an accessible prey for benthophagous species only in the first two years of its life (Anistratenko and Khaliman, 2006;Chikina, 2009;Sahin et al, 2009;Finogenova et al, 2012). Characteristic of A. kagoshimensis are a long ontogenesis and a low mortality rate of adult individuals; its sexual maturity is reached at a shell length of about 1-2 cm (Chikina et al, 2003;Sahin et al, 2006).…”

Section: Introductionmentioning

confidence: 99%

Specific metabolic features in tissues of the ark clam Anadara kagoshimensis Tokunaga, 1906 (Bivalvia: Arcidae), a Black Sea invader

Головина

Gostyukhina

Andreyenko

2016

Russ J Biol Invasions

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Parameters of the antioxidant system as well as carbohydrate, protein, and energy metabolisms in the tissues of an invader species, the bivalve mollusk Anadara kagoshimensis, are compared. Tissue specificity of the examined parameters is demonstrated. Along with the hepatopancreas and gills, the foot of anadara is shown to be an important metabolic organ with a high metabolism and an antioxidant defense. The content of low molecular weight biological antioxidants and antioxidant enzyme activities are specifically balanced in the examined mollusk tissues. The behavioral, physiological, and biochemical features that have provided successful invasion of this mollusk in the Black Sea-Azov basin are discussed.

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Morphological Differentiation of Anadara inaequivalves (Bivalvia, Arcidae) in the Black Sea

Cited by 3 publications

References 1 publication

Shell shape variation in populations of common cockle Anadara oceanica (Lesson, 1831) (Bivalvia Arcidae) from the intertidal areas of Margosatubig, Zamboanga del Sur (Philippines)

Shell shape variation in populations of common cockle Anadara oceanica (Lesson, 1831) (Bivalvia Arcidae) from the intertidal areas of Margosatubig, Zamboanga del Sur (Philippines)

Conchological variability of Anadara kagoshimensis (Bivalvia: Arcidae) in the northern part of the Black–Azov Sea basin

Specific metabolic features in tissues of the ark clam Anadara kagoshimensis Tokunaga, 1906 (Bivalvia: Arcidae), a Black Sea invader

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