944f210d___Changes_in_Fish_Species
[Decade] 1900 [Market Stimulation] advent of telephone allowed instant access to larger markets [Fishing Technology] -bull net (type of gill net over 5 m in depth) was introduced (bull nets were used primarily for Herring but were banned by 1932 because of incidental catched of other fish species) -cheaper cotton gill nets were imported from Scotland [Changes in Fish Species] 
-Sturgeon no longer commerciall significant -Lake Trout no longer commercially significant
Changes in Fish Species