modestus originated in Australia and was first seen in British waters, in Chichester Harbour, during the Second World War.
Chichester | Malcolm Harbour | Sydney Harbour Bridge | Chichester Cathedral | Auckland Harbour Bridge | Darling Harbour | Portland Harbour | Bishop of Chichester | North Harbour | Diocese of Chichester | Chichester Festival Theatre | Portsmouth Harbour railway station | Cork Harbour | Cole Harbour | Chichester Parkinson-Fortescue, 1st Baron Carlingford | Chichester Fortescue | Wellington Harbour | Waitemata Harbour | Victoria Harbour | Rye Harbour | Coal Harbour | North Harbour Rugby Union | Emma Chichester Clark | Cole Harbour, Nova Scotia | Coffs Harbour | Robin Chichester-Clark | Poole Harbour | Lyttelton Harbour | Langstone Harbour | Harbour Town |
To the west of the road bridge the remains of the former railway bridge are visible; Langstone Harbour lies to the west of the railway bridge, Chichester Harbour to the east.
The Portsea section was connected to the rest via a 13-mile channel dredged through Chichester Harbour, past the southern side of Thorney Island (original plan was to go around the northern side) and to the north of Hayling Island, and finally across Langstone Harbour.