María Quintela

Bottleneck events and allele surfing shape genetic differentiation in the septentrional range of European lobster

María Quintela, Paulo A. Prodöhl, Eeva Jansson, François Besnier et autres

Abstract The long history of exploitation and overexploitation of the European lobster (Homarus gammarus) underscores the importance of understanding its genetic structure to inform sustainable management. A set of 12 microsatellites was used to investigate population genetic structure across 20 samples (Ntotal …

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Genomic Insights Into Population Structure and Demographic History of White Anglerfish ( Lophius piscatorius ) Throughout Its Range

Atal Saha, María Quintela, Kjell Harald Nedreaas, Naiara Rodríguez‐Ezpeleta et autres

ABSTRACT Understanding population structure and clarifying species boundaries are essential for the sustainable management of exploited marine species. Although genomic resources for shallow‐water taxa have expanded rapidly, open‐water species remain comparatively understudied. Here, we present a comprehensive genomic analysis of the white …

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Genetic divergence of farmed Atlantic halibut (Hippoglossus hippoglossus) and potential for impact on wild populations

Solveig Tronsgaard, María Quintela, Mikko Vihtakari, Geir Olav Dahle et autres

OBJECTIVE: Domestication of fish for aquaculture involves the production of strains that differ genetically from their wild counterparts. This is a concern when commercial production occurs in installations from which individuals can escape into the wild and thereafter interbreed with wild conspecifics. …

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Genetic Structure of Blue Ling, Molva dypterygia , in the North Atlantic

María Quintela, Hege Øverbø Hansen, Laila Unneland, Ilaria Coscia et autres

ABSTRACT The blue ling, a deep‐water fish widespread in the Northeast Atlantic, has suffered major population declines from intensive fishing since the 1970s. Individuals sampled from four Norwegian fjords and offshore locations, including the Norwegian shelf, Faroe Islands, Rockall, Iceland and Greenland, …

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Genetics in the Ocean's Twilight Zone: Population Structure of the Silvery Lightfish Across Its Distribution Range

María Quintela, Alejandro Mateos‐Rivera, Roger Lille‐Langøy, François Besnier et autres

The large estimates of mesopelagic fish biomass have long fuelled harvesting interests in the relatively untouched twilight zone of the ocean. The silvery lightfish-one of the most abundant species inhabiting the North Atlantic mesopelagic layer-is a candidate for such a fishery despite …

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Where Are You From? Finding the Origin of the Recently Observed Sprat in Iceland Using a Panel of SNPs

María Quintela, Roger Lille‐Langøy, Christophe Pampoulie, Jón Sólmundsson et autres

ABSTRACT The European sprat is a small pelagic fish characterized by genetically distinct populations including (a) the Norwegian fjords, (b) the Baltic Sea, (c) an oceanic component ranging from the North Sea, Kattegat–Skagerrak, Celtic Sea and Bay of Biscay, as well as …

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Evidence of genetic differentiation in European hake from the Skagerrak

María Quintela, Alejandro Mateos‐Rivera, Jon‐Ivar Westgaard, Torild Johansen et autres

Abstract The stock delineation of European hake, Merluccius merluccius has long been debated due to the persistent discrepancies between biologically defined populations and management units, despite the species’ significant economic importance. This study investigated population genetic structure within the northern European hake …

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Assessing the link between ontogenetic shifts in gill raker and diet composition of Arctic cod Boreogadus saida in the Canadian Beaufort Sea-Amundsen Gulf

Marie Launay, Billy Plaitis, Andrew Majewski, Andrea Niemi et autres

Arctic cod Boreogadus saida represents the most widespread and abundant fish in the Arctic Ocean and is a key trophic link in Arctic marine ecosystems. As the Arctic undergoes further rapid warming, understanding the ecological dynamics of this species is critical for …

Where are you from? Finding the origin of the recently observed sprat in Iceland using a panel of SNPs

María Quintela, Roger Lille‐Langøy, Christophe Pampoulie, Jón Sólmundsson et autres

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The genetic structure of sea trout (Salmo trutta L.) in Norway

Ingerid J. Hagen, Øystein Skaala, María Quintela, Geir Olav Dahle et autres

Abstract Sea trout is the anadromous form of brown trout (Salmo trutta) and is culturally, economically, and ecologically important across its native distribution. Here, we describe the genetic structure of sea trout caught in 105 rivers from the 2600 km long Norwegian …

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Microsatellite analysis reveals strong genetic connectivity in Scomber colias along the Northwest coast of Africa

Salah eddine Sbiba, María Quintela, Geir Olav Dahle, Hocein Bazaïri et autres

Understanding the population structure of wild marine species is essential for sustainable management, particularly in environments with high gene flow where it can be difficult to identify genetic differentiation. Climate change adds further complexity to population dynamics by altering habitats, necessitating a …

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Genomic Landscape of Divergence in Ballan Wrasse ( Labrus bergylta )

Eeva Jansson, Fernando Ayllón, Carl‐Johan Rubin, Laura Casas et autres

The architecture underpinning genomic divergence is still a largely uncharted territory and likely case-dependent. Here, we investigated genome-wide variation in Ballan wrasse, a northeastern Atlantic fish species that displays two sympatric colour morphs, spotty and plain, that have been suggested to represent …

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