EhrenbD-ur.i, E, ■ • 



1903 Neucre Untersuchungen iiber den Humer*. Mtto Dtsch. 



Seefischerei Ver«, Bdo 19, noo 5, pp. 146-159, illus, 



(Particvl translation) ■ 



(p. 146) 



Recent investigpti^iis on the lobster 



Already In the 1899 annual set of "Mittheilungen" (p. 99), the 

 Nory.'-egian scientist. Dr. Appell/f, reported on the investigations 

 vj-hich he has carried on for a. series of years in the comniission of 

 the Seiskab fo r de nor s Ice F iskeriers frei-mne in Hvidings/, near 

 Stavnnger, and v;hich has the lobster as its subject. These studies 

 have been continued since that tine; and since their results have 

 experienced an interesting supplement by means of some recent ob- 

 servations nade at Helgoland, so, on account of this relationship, 

 shall be described here shortly* 



The Norvregian Captain Dannevig v/as, as is knovm, one of the 

 first who succeeded in a prinitive hatchery established for sea 

 fish at Fl/devigen, near' Arendal, to incubate lobster eggs artific- 

 ially and to hatch them. 



Since then this artificial incubation is conducted on a large 

 scale in Horvray, the United States of America, in Canada and espec- 

 ially Ilewfoundland, and v/ith very good success. In the bays of 

 KevTfouiidland in many years 500 million and more nev/ly-born young 

 lobsters are put in the T/ater» 



But the newly-born lobsters~no matter whether t hey come into 

 the y/orld under natural conditions or in hatching boxes~are, as is 

 laiaymf exposed in huge numbers to danger, since they live in the 

 first weeks of their lives, not as the grovm lobster on the bottom, 

 but in surface vrater layers and since they in this time fall victims 

 to their numerous pursuers, owing to their bright colors and awfc-rard- 

 ness'e It is therefore of the greatest importance to bring ihe young 

 lobsters under the protection of rearing over this critical period 

 of their lives and one is troubled for am.ple time to study closely 

 the yo\ing stages of the lobster in reference to their living condit- 

 ions and needs in order to smooth the course of artificial rearinge 

 From this aspect Appell;z^f 's researches on the rearing of young 

 lobsters are of especial interest to attain the fixed goal, although 

 it must be conceded .that one is still far distant from it, since too 

 small a percentage of the larvae born in captivity succeed in living 

 ■from the first young stage to the beginning of residence on the 

 bottom. 



The young lobsters are born at a body size of eight ram. or 

 somevThat less and indeed they strip off at once as they leave the 



111 



