Crabs of the British Isles (29,193 t), various swimming crabs (3,180 t), the spider crab "Maja squinado" (1,565 t), the shore crab or green crab "Carcinus maenas" (553 t) and the velvet crab "Necora puber" (193 t). Around 77% of the catch is landed in the United Kingdom, 19% in Ireland, 4% in the Channel Islands, and 1% in the Isle of Man. 62 species have been directly observed in the waters of the British Isles: Three deep-water species have also been recorded near the British Isles, and are likely to occur in the area. These are: Crabs of the British Isles Around 65 species
Mining archaeology in the British Isles assemblages remained undisturbed by 19th century deeds due to the low quality of its veins. With the beginning of the Iron Age about 700 BC operations associated with ore exploitations spread around the British Isles. A representative example of the period are Puzzlewood's surface mines. The site prospered especially in the Romano-British period and the late Middle Ages. The limonite ores represent a small part of the local Carboniferous Limestone. The archaeological remains of mining which can be detected in the area are opencasts, known as Scowles Holes. It's important to underline the discovery of habitations areas in close proximity,