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| dab (fish) | |
|---|---|
| Name | Dab |
| Regnum | Animalia |
| Phylum | Chordata |
| Classis | Actinopterygii |
| Ordo | Pleuronectiformes |
| Familia | Pleuronectidae |
| Genus | Limanda |
| Species | L. limanda |
dab (fish) The dab is a small flatfish of temperate shallow seas commonly known from the northeastern Atlantic and adjacent seas. It is a benthic member of the order Pleuronectiformes observed by naturalists and fisheries scientists across the North Sea, Baltic Sea, and North Atlantic islands. Historical expeditions and modern surveys from institutions in United Kingdom and Norway have documented its role in demersal communities and commercial catches.
The dab belongs to the family Pleuronectidae within Actinopterygii and has been treated in taxonomic works by authors associated with Linnaeus, Georges Cuvier, and later systematists at museums such as the Natural History Museum, London and the Senckenberg Gesellschaft. Nomenclatural treatments appear in catalogues produced by the British Museum and monographs from the Zoological Society of London and the Royal Society. Synonymy and species limits have been debated in taxonomic revisions at the Smithsonian Institution and by researchers associated with the Fisheries and Oceans Canada and the Institute of Marine Research (Norway). Molecular studies referencing laboratories at the University of Oxford, University of Aberdeen, University of Bergen, and the Alfred Wegener Institute have helped clarify relationships among genera including Limanda, Pleuronectes, and closely allied taxa documented in ichthyological catalogues by the Natural History Museum of Denmark.
Adult dab are laterally compressed and present the classical pleuronectid asymmetry chronicled in field guides from the Marine Biological Association and keys published by the Centre for Environment, Fisheries and Aquaculture Science. Morphological descriptions cite dorsal and anal fin ray counts used by taxonomists at the Muséum National d'Histoire Naturelle (Paris), and coloration noted by naturalists from the Royal Society for the Protection of Birds and the British Trust for Ornithology during coastal surveys. Diagnostic characters are compared against specimens in the collections of the Natural History Museum, London, the National Museums Scotland, and the Irish Museum of Natural History with measurements following protocols from the International Council for the Exploration of the Sea.
The dab's range has been mapped by agencies such as the Marine Scotland Science, ICES (International Council for the Exploration of the Sea), and the Food and Agriculture Organization in regional assessments covering the North Sea, Baltic Sea, and waters around Iceland and Faroe Islands. Habitat descriptions feature surveys conducted by research vessels funded by the European Commission and national programmes from Denmark, Germany, and Netherlands. Occurrence records are held in databases curated by the Global Biodiversity Information Facility and regional museums including the Natural History Museum of Denmark and the University of Gothenburg.
Life history parameters for dab are included in stock assessments by ICES and in ecological syntheses by the University of Liverpool and the Scottish Association for Marine Science. Reproductive timing and larval descriptions reference plankton studies from the Sir Alister Hardy Foundation for Ocean Science and laboratory work at the Woods Hole Oceanographic Institution. Trophic interactions cite analyses from the Plymouth Marine Laboratory and stable isotope studies associated with the Max Planck Institute for Marine Microbiology and the Centre for Coastal and Marine Sciences. Predators and competitors are catalogued in ecosystem models used by the Norwegian Institute of Marine Research and the Irish Marine Institute.
Dab are taken in mixed demersal trawl and seine fisheries monitored by national agencies including Marine Scotland, ICES, and the Fisheries and Oceans Canada in comparative studies alongside cod and haddock landings reported by the Food and Agriculture Organization. Market and culinary notes appear in guides issued by the Seafood Scotland marketing initiative and culinary lexicons from the National Trust and restaurants in Cornwall and Scotland. Fisheries management measures and catch statistics are compiled in reports by the European Commission Directorate-General for Maritime Affairs and Fisheries and regional consultative bodies such as the North Sea Advisory Council.
Conservation status and threat assessments incorporate work by ICES, the European Environment Agency, and conservation NGOs like WWF-UK and the Marine Conservation Society. Threats from bottom trawling, habitat degradation, and climate-driven changes are evaluated in studies by the Plymouth Marine Laboratory, University of Southampton, and the IPCC regional ocean analyses, often informing policy at the European Commission and national ministries in United Kingdom and Norway. Monitoring programmes run by the Centre for Environment, Fisheries and Aquaculture Science and the Norwegian Institute of Marine Research contribute to adaptive management and stakeholder dialogues convened by the North Sea Advisory Council and coastal authorities in Denmark.