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
History of the British Isles Insular Celtic group. What languages were spoken in the islands before is unknown, though they are assumed to have been Pre-Indo-European. In 55 and 54 BC, Roman general and future dictator Gaius Julius Caesar launched two separate invasions of the British Isles, though neither resulted in a full Roman occupation of the island. From AD 40 to about AD 410, southern Britain was a part of the Roman Empire, with archaeologists referring to this area as "Roman Britain", and this time span the "Romano-British period" or the "Roman Iron Age". In and around the same time period, Ireland was being