Islands the largest salmon catches were made 

 in waters ranging from 49° to 55° F. with 

 the largest total catch associated with a 

 50° F. surface temperature. 



SPECIES OTHER THAN SALMON 



Catches of species other than salmon, 

 by vessels and by sets, are shown in tables 

 1-55 (pages 6 - 10). These data also are 

 summarized in table 11, below. 



The range of steelhead ( Salmo gairdneri 

 gairdneri ) generally coincides with that of 

 the salmon. However, most steelhead were 

 taken in the Gulf of Alaska and none were 

 taken in Bering Sea. In contrast, a small 

 number of charrs ( Salvelinus malma ) were 

 caught in Bering Sea, but none were taken in 

 other areas. 



Albacore ( Thunnus alalunga ) were taken 

 near the juncture of sub-Arctic and central 

 Pacific waters. The Mitkof recorded the 

 largest catch, 26 albacore on set number 27 

 at 47° N. , 175° W. 



Next to salmon, the pomfrets ( Bra ma raii) 

 were the most numerous species taken. They 

 were caught in large numbers in both salmon 

 and albacore waters of the North Pacific 



Ocean with the apparent center of abundance 

 near the southern limits of salmon distribu- 

 tion. None was taken in the Bering Sea. 



Of the four species of sharks taken on 

 the high seas, blue shark ( Prionace glauca ) 

 were the most numerous, the greatest number 

 occurring in the southern waters. The Mit - 

 kof caught 92 blue sharks on set number 28 

 at 47° N., 180°. H. 



The capture o£ five boarfish ( Pseudo - 

 pentaceros richardsoni ) by the Paragon and 

 Celtic is the first reported occurrence of 

 this species in the North Pacific Ocean, 

 and is an extension of its known range by 

 5,000 miles (Welander et al . , 1957). 



One of the John Dories ( Allocyttus 

 verrucosus ) captured by the Celtic is the 

 first of this species recorded from the 

 northern hemisphere (Welander et al . , 1957). 



LITERATURE CITED 



BARNABY, JOSEPH T. 



1952. Offshore fishing in Bristol Bay 

 and Bering Sea. U. S. Fish and 

 Wildlife Service, Special Scien- 

 tific Report — Fisheries No. 89, 

 30 pp. October. 



Table 11. — Incidental catch. 



19 



