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| merluccius merluccius | |
|---|---|
| Name | European hake |
| Status | VU |
| Status system | IUCN3.1 |
| Taxon | Merluccius merluccius |
| Authority | (Linnaeus, 1758) |
merluccius merluccius merluccius merluccius, commonly known as the European hake, is a marine Teleostei species of the family Merlucciidae found in the northeastern Atlantic and Mediterranean Sea. It is an important target of industrial and artisanal fisheries linked to markets in Spain, Portugal, France, Italy, and Greece, and features in management discussions involving the European Union, regional fisheries bodies, and conservation organizations such as the International Union for Conservation of Nature. The species has been the subject of stock assessments by bodies including the International Council for the Exploration of the Sea and is referenced in policy instruments like the Common Fisheries Policy.
merluccius merluccius was first described by Carl Linnaeus in 1758 in the 10th edition of Systema Naturae, and its nomenclature has been used in comparative works by taxonomists at institutions such as the Natural History Museum, London and the Muséum national d'Histoire naturelle. Subsequent revisions have involved researchers from the Zoological Society of London, the Smithsonian Institution, and universities including University of Barcelona and University of Lisbon, with genetic studies conducted using methods from laboratories associated with the European Molecular Biology Laboratory and the Max Planck Society. Synonymy and regional subspecies designations have been debated in literature published in journals like Nature, Science, and the Journal of Fish Biology, and its classification under Actinopterygii aligns with standards of the International Commission on Zoological Nomenclature.
Adult merluccius merluccius typically reach lengths reported in field guides from the Marine Biological Association and museums such as the Natural History Museum of Paris. Morphological descriptions have been included in monographs by researchers affiliated with Imperial College London, University of Oxford, and the University of Cadiz. Diagnostic characters cited in keys used by the Food and Agriculture Organization and the International Council for the Exploration of the Sea include an elongated body, large head, protrusible mouth, and two dorsal fins with counts compared across specimens in collections at the British Museum and the Smithsonian Institution. Comparative anatomy studies published in journals like Proceedings of the Royal Society B and PLoS ONE reference cranial osteology examined at the Natural History Museum, London and the Museum für Naturkunde. Morphometric variation related to temperature gradients has been reported by teams from CSIC and the Consejo Superior de Investigaciones Científicas.
merluccius merluccius occurs across the northeastern Atlantic Ocean from Norway and the North Sea to Morocco, and throughout the Mediterranean Sea including the Adriatic Sea and the Aegean Sea, with records in coastal waters near Iceland and the Canary Islands cited in surveys by the European Commission and the International Council for the Exploration of the Sea. Habitat descriptions in reports by the Food and Agriculture Organization and the Marine Stewardship Council indicate a demersal lifestyle on continental shelves and slopes, occupying depths sampled by research vessels from institutions such as Plymouth University, IFREMER, and the University of Bergen. Biogeographic patterns discussed in papers in Global Change Biology and ICES Journal of Marine Science link distribution shifts to climatic events like the North Atlantic Oscillation and to regional oceanography influenced by currents such as the Gulf Stream and the Mediterranean Outflow.
Studies by research groups at Université de Montpellier, Institute of Marine Research (Norway), and University of Copenhagen describe schooling behaviour, diel vertical migrations, and feeding ecology involving prey taxa documented in surveys by the Food and Agriculture Organization and publications in Marine Ecology Progress Series. Diet analyses reference predation on Sardina pilchardus-type clupeoids, Engraulis encrasicolus-type anchovies, cephalopods recorded by the Institut de Recherche pour le Développement, and benthic crustaceans sampled by teams from IFREMER and the Spanish Institute of Oceanography. Trophic interactions placing merluccius merluccius within ecosystems are modeled in studies from Wageningen University and Helmholtz Centre for Ocean Research Kiel, and parasites and diseases have been reported by parasitologists at the University of Liverpool and University of Glasgow.
Reproductive biology has been characterized in seasonal spawning studies carried out by the Instituto Español de Oceanografía, the Hellenic Centre for Marine Research, and the National Institute of Oceanography (Portugal), with spawning areas identified in the Bay of Biscay, off Galicia, and in parts of the Mediterranean Sea including the Tyrrhenian Sea. Age and growth analyses using otolith readings in laboratories at the Centre for Environment, Fisheries and Aquaculture Science and the University of Vigo report longevity and age-at-maturity parameters that inform stock assessments by the International Council for the Exploration of the Sea and management plans under the European Union Common Fisheries Policy. Larval ecology studies published in Fisheries Oceanography and ICES Journal of Marine Science document planktonic stages sampled by research cruises funded by agencies like Agence Nationale de la Recherche and the European Research Council.
merluccius merluccius supports major fisheries prosecuted by fleets registered in Spain, Portugal, France, Italy, and Greece, and has been the focus of market studies by the Food and Agriculture Organization and certification assessments by the Marine Stewardship Council. Gear types include trawlers and longliners operated from ports such as Vigo, Bilbao, Le Havre, Naples, and Piraeus, with processing industries in regions covered by the European Commission and trade regulated under World Trade Organization frameworks. Socioeconomic research by institutions like University of Barcelona and University of Portsmouth examines employment, export value, and cultural importance in cuisines of Spain and Portugal, while consumer advisories have been issued by public health agencies including the European Food Safety Authority.
Conservation assessments by the IUCN list merluccius merluccius with concern due to stock declines noted in reports by the International Council for the Exploration of the Sea and the Food and Agriculture Organization. Threats discussed in analyses by the European Environment Agency, World Wildlife Fund, and academic studies in Conservation Biology include overfishing by fleets from Spain and Portugal, habitat degradation linked to bottom trawling near continental slopes studied by University of Southampton researchers, and climate-driven distribution shifts associated with the North Atlantic Oscillation and sea temperature rise reported by the Intergovernmental Panel on Climate Change. Management responses include quota systems under the Common Fisheries Policy, regional conservation measures advised by the International Council for the Exploration of the Sea, and stakeholder programs involving national ministries such as the Ministry of Agriculture, Fisheries and Food (Spain) and the Direção-Geral de Alimentação e Veterinária (Portugal).