The Life of CrustaceaCalman, W. T. (William Thomas)
Science
The Life of Crustacea
Calman, W. T. (William Thomas)
Crustacea
Important Lobster fisheries are carried on in Norway, Scotland, England,
Ireland, Heligoland, and other parts of the coasts of Northern Europe.
In the South the Lobster fishery is of less importance, other large
Crustacea, especially the Spiny Lobster, being more abundant and more
highly esteemed.
The American Lobster, as already mentioned, closely resembles the
European species, the chief difference being in the form of the rostrum
(see Fig. 9, p. 32). It is found on the Atlantic coast from Labrador to
Cape Hatteras, but it is not abundant south of New Jersey. The canning
of Lobsters is a very important industry in Newfoundland, the Maritime
Provinces of Canada, and the Northern New England States.
The only other species of the genus _Homarus_ (_H. capensis_) is found
at the Cape of Good Hope, but it is of small size and is of no economic
importance.
The European Lobster rarely reaches a weight of 10 pounds, although
individuals of 14 pounds weight have been caught. In America, there are
authentic records of Lobsters weighing 20 and even 23 pounds.
The bad effects of over-fishing have become apparent of late years,
especially on the American coast, in the reduced average size of the
Lobsters caught rather than in a diminution of the total yield of the
fishery. Numerous experiments in legislation have been made with a view
to checking the depletion of the fishing-grounds, but in no case with
conspicuous success. A "close time" for the spawning Lobsters has often
been tried, but the fact that the female carries the eggs attached to
her body for nearly a year after spawning makes it quite impossible to
give effective protection by this means. In most Lobster-fishing
districts a minimum size is fixed by law, below which it is illegal to
take or sell Lobsters, and in many cases also the capture of females
carrying spawn, or, as it is termed, "in berry," is prohibited.
[Illustration: _PLATE XXX_
THE "NORWAY LOBSTER," _Nephrops norvegicus_, ABOUT ONE-THIRD NATURAL
SIZE
(_From Brit. Mus. Guide_)]
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