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The golden mackerel: first report of a xanthic Mediterranean horse mackerel Trachurus mediterraneus (Steindachner, 1868) from Sines, Portugal

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The golden mackerel first report of a xanthic Mediterranean horse mackerel Trachurus mediterraneus (Steindachner, 1868) from Sines, Portugal.pdfIn this study, a single xanthic case of the Mediterranean horse mackerel Trachurus mediterraneus is reported. The individual, with a total lenght (TL) of 306 mm, was captured off Sines (Portugal) in March 2018, by a local fishing boat, using a seine net. This represents the first record of xanthism for this species and for any species of mackerel. The specimen is described here and compared with those of normal pigmentation. Considerations about the paucity of records for this or similar species are presented here, and the possibility of this condition being more frequent than previously thought is discussed.1010.56 KBAdobe PDF Ver/Abrir

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Resumo(s)

In this study, a single xanthic case of the Mediterranean horse mackerel Trachurus mediterraneus is reported. The individual, with a total lenght (TL) of 306 mm, was captured off Sines (Portugal) in March 2018, by a local fishing boat, using a seine net. This represents the first record of xanthism for this species and for any species of mackerel. The specimen is described here and compared with those of normal pigmentation. Considerations about the paucity of records for this or similar species are presented here, and the possibility of this condition being more frequent than previously thought is discussed.
Le maquereau doré : premier signalement d’un chinchard méditerranéen xanthique Trachurus mediterraneus (Steindachner, 1868) de Sines, Portugal. Cette étude décrit une forme xanthique de chinchard de la Mediterranée Trachurus mediterraneus. L’individu, d’une longueur totale de 306 mm, a été capturé au large de Sines (Portugal) en mars 2018, par un bateau de pêche local, à l’aide d’une senne. Il s’agit du premier signalement de xanthisme pour cette espèce ainsi que pour toutes les espèces de maquereau. L’individu est décrit et comparé à ceux de pigmentation normale. Des considérations sur la rareté des signalements pour cette espèce ou espèces proches sont présentées. La possibilité que cette forme soit plus fréquente qu’on ne le supposait auparavant est discutée.

Descrição

Palavras-chave

Xanthochromism Horse mackerel Fisheries NE Atlantic Predator Prey

Contexto Educativo

Citação

Vasco-Rodrigues, N., Santos, S., Espirito-Santo, C., & Almada, F. (2021). The golden mackerel: first report of a xanthic Mediterranean horse mackerel Trachurus mediterraneus (Steindachner, 1868) from Sines, Portugal. CAHIERS DE BIOLOGIE MARINE, 62(4), 399-403. DOI: https://doi.org/10.21411/CBM.A.95E3FAD4.

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Editora

Station Biologique de Roscoff

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