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Article

Morphological Traits and Capture Depth of the Norwegian Skate (Dipturus nidarosiensis (Storm, 1881)) from Two Mediterranean Populations

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COISPA Tecnologia & Ricerca, Via dei Trulli 18/20, 70126 Bari, Italy
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Dipartimento di Scienze della Vita e dell’Ambiente, Università di Cagliari, Via T. Fiorelli 1, 09126 Cagliari, Italy
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CoNISMa Consorzio Nazionale Interuniversitario per le Scienze Mare, Piazzale Flaminio 9, 00196 Rome, Italy
*
Author to whom correspondence should be addressed.
Academic Editors: Francesco Tiralongo and Dariusz Kucharczyk
J. Mar. Sci. Eng. 2021, 9(12), 1462; https://doi.org/10.3390/jmse9121462
Received: 29 October 2021 / Revised: 10 December 2021 / Accepted: 16 December 2021 / Published: 20 December 2021
(This article belongs to the Special Issue Deep-Sea Ecosystem Management)
The Norwegian skate Dipturus nidarosiensis (Storm, 1881) has only recently been recorded in the western-central Mediterranean Sea. It was hypothesized a more ancient presence of the species, which has not been detected due to a misidentification with other species of the same genus. This situation could lead to underestimate the risk of a dramatic decline of the spawning stock. In the IUCN Red List, the species is listed as near threatened and considered rare in both the northeast Atlantic and the Mediterranean areas. In the Mediterranean Sea, Norwegian skates were repeatedly caught mostly in two areas between 2005 and 2020: Sardinia Seas and Adriatic-Ionian Seas. In total, 58 specimens were caught, and 28 morphological length measurements were taken on all specimens. The Canonical Discriminant Analysis proved the presence of significant differences only for assemblages made on the basis of the specimen’s area of capture, but not on the basis of sex or ontogenetic development. This analysis could be the first step to highlight the differences between the populations of Norwegian skate in the Mediterranean basin. Moreover, a preliminary analysis of depth of capture was performed as a first step to study this species vertical distribution. View Full-Text
Keywords: Norwegian skate; morphology; bathymetric distribution; deep-sea batoids; central-western Mediterranean Sea Norwegian skate; morphology; bathymetric distribution; deep-sea batoids; central-western Mediterranean Sea
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MDPI and ACS Style

Carbonara, P.; Bellodi, A.; Zupa, W.; Donnaloia, M.; Gaudio, P.; Neglia, C.; Follesa, M.C. Morphological Traits and Capture Depth of the Norwegian Skate (Dipturus nidarosiensis (Storm, 1881)) from Two Mediterranean Populations. J. Mar. Sci. Eng. 2021, 9, 1462. https://doi.org/10.3390/jmse9121462

AMA Style

Carbonara P, Bellodi A, Zupa W, Donnaloia M, Gaudio P, Neglia C, Follesa MC. Morphological Traits and Capture Depth of the Norwegian Skate (Dipturus nidarosiensis (Storm, 1881)) from Two Mediterranean Populations. Journal of Marine Science and Engineering. 2021; 9(12):1462. https://doi.org/10.3390/jmse9121462

Chicago/Turabian Style

Carbonara, Pierluigi, Andrea Bellodi, Walter Zupa, Marilena Donnaloia, Palma Gaudio, Cosmidano Neglia, and Maria C. Follesa. 2021. "Morphological Traits and Capture Depth of the Norwegian Skate (Dipturus nidarosiensis (Storm, 1881)) from Two Mediterranean Populations" Journal of Marine Science and Engineering 9, no. 12: 1462. https://doi.org/10.3390/jmse9121462

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