12 (). NORDGAARD [1915 



Regalecas glesne Ascan. 

 The banks car-fish, or ribbon-fish, (Norwegian: sildekonge, 

 also called sildtust and sildstørje) is not known to have been 

 observed in the Trondhjem Fjord itself. In the Annual Report 

 of the Museum for 1911, V. Storm refers to an individual of 

 this speeies washed ashore at Sørflatanger on the 25 /s 1912. 

 Only portions of the fish were sent in to the Museum, by 

 Mr. Fuglaar. Total lenglh estimated at over 3 metres. The 

 longitudinal ribbons were distinctly apparent. 



Gadus callarias Lin. 



In the case of the cod, I have made some few observations 

 with regard to their food. In 33 small cod, laken at Ilsviken 

 near Trondhjem on the 21 /t 1908, ranging in length from 5 — 8.5 

 cm., most between 6 — 7 cm., the contents of stomach was found 

 to be exclusively planktonic, consisting principally of Cladocera. 

 One or two specimens of Calanus finmarchicus were also found. 

 Three specimens from Muruviken 2 /9 1912, 1. 9 — 9.9 cm., con 

 tained remains of amphipoda and schizopoda. God tåken at 

 Tønne, in Borgenfjord 15 /o 1909, 1. 17 — 23 cm., had Carcinus 

 mænas, Crangon vulgaris, Hippohjte polaris, Idothea baltica, etc. 

 And in the stomach of cod from Sundneshavn J3 /o 1909, 1. 15 

 — 33 cm., the following speeies were determined: Liparis sp. 

 Crangon vulgaris, Mijsis flexuosa and some few amphipoda. 



As an instance of abnormal spawning time may be quoted 

 a cod of abt. 65 cm. tåken on the 8 /9 1913 by Anton Gud 

 mundsen IV2 miles outside Andstenen, Froan. The ovaries 

 were 21 cm. long, and the roe was nearly ripe. 



At Trondhjem Biological Station, a number of large cod are 

 constantly kept in the aquarium, and I have there made notes 

 as to the spawning time. On the 23 /s 1912, general spawning. 

 In 1913, spawning took place in the first week of March, bul 

 was also in progress later during that month, and even in April. 

 In 1914, the cod began to spawn on the Ws and continued 

 throughout the rest of March, also in April. On the night of 

 the 8th May likewise, a considerable amount of spawning took 

 place. In 1915, spawning was first observed on the 10 /s. On 

 the W-t, as also Vs and 2 k, a quantity of roe was noticed in 

 the a(juarium. In 1916, the lirst cod eggs were noticed on the 

 15 /s, but spawning was not then general. Not unlil the morning 

 of the 22 /3 was any considerable quantity of eggs to be seen. 

 A great deal of spawning also took place on the nights of 23 /s, 

 26 /s, and 2 7s, also on the nights of ' 6 A, 18 4, 19 /4, 22 /i and 30 /4. 

 In the first days of May also there was some spawning. 

 The result of these observations may be sumraed up as follows: 



