2015
DOI: 10.1590/1982-0224-20140149
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Abstract: This study highlights the analysis of the morphological and genetic variation of the common sea bream Pagrus pagrus, and compares its two main areas of concentration: the northern (35ºS -38°S) and the southern areas (39°S -41°S) of the Buenos Aires coast of the Argentine Sea. Body shape characterization presented two significantly different morphotypes (Wilks' Lambda=0.224, P<0.001). Northern individuals displayed a higher middle area while southern ones were smaller and their caudal peduncle was shorter. The … Show more

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Cited by 15 publications
(10 citation statements)
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“…2.10 (Rohlf, 2006). Subsequent methodological procedures followed those of Sequeira et al (2011) and Porrini et al (2015). The tpsDig software (Rohlf, 2006) was used to acquire x and y coordinates of the landmarks previously noted, and a generalized least squares Procrustes superimposition (Rohlf, 1990) was used to adjust them.…”
Section: Body Shape Analysismentioning
confidence: 99%
“…2.10 (Rohlf, 2006). Subsequent methodological procedures followed those of Sequeira et al (2011) and Porrini et al (2015). The tpsDig software (Rohlf, 2006) was used to acquire x and y coordinates of the landmarks previously noted, and a generalized least squares Procrustes superimposition (Rohlf, 1990) was used to adjust them.…”
Section: Body Shape Analysismentioning
confidence: 99%
“…As with other phenotypic‐based methods, otolith shape analysis is a more powerful method to study short‐term environmentally induced differences between fish groups than presently used genetic markers (Begg et al ., 1999). The latter are more suitable for long‐term changes of fully isolated groups, as in the case of red porgy populations among the north‐eastern, north‐western and south‐western Atlantic and Mediterranean Sea (Ball et al ., 2006), than for nearby stocks such as those of southern (AR) and northern (UA) Argentina, which could not be discriminated by microsatellite DNA markers (Porrini et al ., 2015).…”
Section: Discussionmentioning
confidence: 99%
“…Within the south‐western Atlantic, several stocks were suggested based on phenotypical methods. Differences in red porgy growth parameters (García & Déspos, 2015) and body shape characterization (Porrini et al ., 2015) were observed between the Argentine‐Uruguayan Common Fishing Zone and the exclusive fishing zone of Argentina. When analysing long‐lived larval parasite assemblages, Soares et al .…”
Section: Introductionmentioning
confidence: 99%
“…Information on natural genetic variation in the wild population is necessary to determine the population status and planning for conservation and management strategies (Carvalho & Hauser, 1994; Vieira et al ., 2016), hence the need to study genetic variation and divergence patterns in wild natural populations of this species. Recent studies have recommended the use of a combination of markers, including at least one phenotype‐based marker along with genetic markers, to determine stock structure to provide a holistic picture (Porrini et al ., 2015; Vieira et al ., 2016). The morphometric analysis using variables measured from distance based anatomical landmarks, e.g ., linear distances between morphometric points, has proven to be an efficient method for fish stock identification (Cadrin, 2005).…”
Section: Introductionmentioning
confidence: 99%