Shipping Forecast August 2017 was the 150th anniversary of the shipping forecast. The 31 sea areas covering the waters around the British Isles are as defined by the map shown here: The areas were already roughly as listed above by 1949. In 1955, meteorologists from countries with North Sea coastlines met and recommended that the UK's sea area 'Heligoland' be renamed 'German Bight' to reflect more general usage amongst the nations concerned. They also recommended the divisions of 'Dogger' (with the north-eastern portion to be named 'Fisher') and 'Forties' (with the northern half becoming 'Viking'), and the renaming of 'Iceland' as 'South-east
Crabs of the British Isles Crabs of the British Isles Around 65 species of crab occur in the waters of the British Isles. All are marine, with the exception of the introduced Chinese mitten crab, "Eriocheir sinensis", which occurs in fresh and brackish water. They range in size from the deep-water species "Paromola cuvieri", which can reach a claw span of , to the pea crab, which is only wide and lives inside mussel shells. Several species of wild crab are the subject of crab fisheries around the coasts of the British Isles. The most important are the brown crab or edible crab, "Cancer pagurus"