Canvey Island windsurfing area. The "Canvey Island Swimming Club" provides lessons and training and is based at Waterside Farm Leisure Centre. The British record for the largest shore-caught angler fish (Lophius piscatorius) is from Canvey Island, caught by H.Legerton in 1967. During 1953 and 1954 two unusual fish were washed up the shoreline and are known as Canvey Island Monster. Canvey Island Canvey Island is a civil parish and reclaimed island in the Thames estuary in Essex, England. It has an area of and a population of 38,170. It is separated from the mainland of south Essex by a network of creeks.
Estuary river valleys are also known as coastal plain estuaries. In places where the sea level is rising relative to the land, sea water progressively penetrates into river valleys and the topography of the estuary remains similar to that of a river valley. This is the most common type of estuary in temperate climates. Well-studied estuaries include the Severn Estuary in the United Kingdom and the Ems Dollard along the Dutch-German border. The width-to-depth ratio of these estuaries is typically large, appearing wedge-shaped (in cross-section) in the inner part and broadening and deepening seaward. Water depths rarely exceed . Examples of