As the supply of lobsters on the Maine coast began to decrease shortly before 1870, while the demand for canned lobsters increased at an enormous rate, the dealers began to establish canneries on the coasts of the British provinces. As the decline in the supply was attributed to the canneries, a sentiment against them was gradually formed, and laws were enacted regulating the time in which they could operate and the size of the lobsters they could put up. Prior to 1879 they were permitted to pack lobsters at any season of the year, but they usually operated only between April 1 and August 1, and again between the 10th or middle of September and the 1st of December, the length of the season depending very largely upon the weather and the abundance of lobsters. In 1879 it was enacted that no canning of lobsters should be allowed from August 1 to April 1 following. In 1883 it was made illegal to can lobsters less than 9 inches in length. In 1885 the canning season was fixed from April 1 to July 15. In 1889 the season was fixed from May 1 to July 1, and the minimum length of lobsters to be canned placed at 9 inches. In 1891 this act was so amended as to make the season from April 20 to June 1. After 1880 the number of canneries gradually declined, until in 1895 the last one suspended the canning, of lobsters, owing to the passage of a law fixing the minimum size at 10½ inches. This law went into effect July 1, 1895. As they could not afford to pay the high price demanded for this size they were compelled to give up the business.
The following table shows the number of factories in operation, the quantity and value of fresh lobsters used, and the number and value of cans of lobsters put up, in the years 1880, 1889, and 1892:
ABUNDANCE, ETC.
There are no accurate figures showing the catch of lobsters in Maine previous to 1880. It is therefore difficult to make comparisons, and one is compelled to depend largely upon the memory of the fishermen and the statements of the canners and dealers, which the lapse of time, etc., makes rather unreliable. The numerous petitions sent to the legislature asking for restrictive laws, while possibly exaggerated at times, indicate that there were fears of the exhaustion of the fishery for some years back. It is positively known, however, that certain grounds have been almost or totally exhausted through overfishing for a number of years, while on other grounds the supply of lobsters has seriously decreased. There was a time when no lobster under 2 pounds in weight was saved by the fishermen. In later years, before there was a restriction fixing the minimum size of lobsters that could be canned, the canneries frequently used half-pound lobsters. The fixing of the minimum length of the lobsters caught at 10½ inches, and the consequent closing up of the canneries, has been of incalculable benefit to the fishermen, as the young lobsters now have an opportunity to reach maturity.
The table given below shows for certain years the number of pots used, the quantity of lobsters taken, with their value, also the average catch and value per man, the average catch per pot, and the average price per pound:
