11.5.1 Overview 21.
The Southern North Sea (ICES Division IVc) is generally shallow (<50m depth) compared to the Central and Northern North Seas, with a greater species-richness and diversity (Calloway et al. 2002). The principal commercial species in terms of landings weights and values are plaice Pleuronectes platessa and sole Solea solea, with cod Gadus morhua with thornback ray Raja clavata also being of importance to the local inshore fleets.
22.
The fish community also includes the smaller demersal species typically associated with the sea bed including sandeels Ammodytidae spp., dab Limanda limanda, solenette Buglossidium luteum, grey gurnard Eutrigla gurnardus and common dragonet Callionymus lyra, (Calloway et al. 2002). Dab and gurnard are generally the most abundant species recorded in the southern North Sea feeding on numerous different prey taxa ability and able to exploit wider habitats (Sell and Kroncke, 2013). Sandeels and gobies Gobiidae spp. are also present with an important role as prey species (Teale, 2011).
23. Other species often found in the southern North Sea include pogge Agonus cataphractus, flounder Platichthys flesus and sand gobies Pomatoschistus minutus in addition to more "southern" species including poor cod Trisopterus minutus, bib Trisopterus luscus, red mullet Mullus surmuletus, sardine Sardina pilchardus, lesser weever Echiichthys vipera, anchovy Engraulis encrasicolus, tub gurnard Chelidonichthys lucerna, John Dory Zeus faber, bass Dicentrarchus labrax, black sea bream Spondyliosoma cantharus, horse mackerel Trachurus trachurus and mackerel Scomber scrombus (Cefas, 2007, Corten et al. 1996).
24. Over 23 different elasmobranch species (sharks, skates and rays) have been recorded in the North Sea with the most common shark species, spurdog Squalus acanthias, lesser spotted dogfish Scyliorhinus canicula and smoothhounds Mustelus asterias concentrated in the western part of the North Sea (Daan, 2005). Among the rays, starry rays Amblyraja radiata are found offshore in the central North Sea within 50-100m depth, while thornback ray, spotted ray Raja montagui and blonde ray Raja brachyura are widespread in inshore waters around much of the British Isles (Cefas, 2009, Daan, 2005). Juvenile undulate rays Raja undulata have been recorded off the Norfolk coast with egg cases recorded along the north Norfolk coast and at Felixstowe (Shark Trust, 2012). Sightings or landings of other elasmobranch species, such as the common skate Dipturus batis complex, basking shark Cetorhinus maximus, tope Galeorhinus galeus, thresher shark Alopias vulpinus and porbeagle
Preliminary Environmental Information May 2014
East Anglia THREE Offshore Windfarm
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