Japanese Trocal shells fishery along coasts of French New Caledonia according to the Dutch magazine Marineblad dated 1937 no. 6

An item referred to the le Yacht dated 10 July 1937 reporting that Japanese fishermen now were involved in the Troca shells fishery along the coasts of French New Caledonia. Already was one32 tons  motor boat seized after breaking the fishery rules.