. Commercial fisheries review. Fisheries; Fish trade. M/v OREGON CRUISE 46 (AUGUST 12-SEPTEM- BER 26, 1957). SHRIMP, TUNA, AND LIVE-BAIT EX- PLORATIONS OFF CENTRAL AMERICX^M/V Oregon Cruise 46): Exploratory shrimp trawl- ing, tuna fishing, and the determination of live- bait availability along the east coast of Central America occupied the M/V Oregon during cruise 46 (August 12-September 26T) Six long-line sets were made south of Cabo Gracias A Dios. Two 49-basket sets made west and south of Old Providence Island yielded no tuna. Four sets off Panama and Costa Rica caught a total of 81 yellowf
. Commercial fisheries review. Fisheries; Fish trade. M/v OREGON CRUISE 46 (AUGUST 12-SEPTEM- BER 26, 1957). SHRIMP, TUNA, AND LIVE-BAIT EX- PLORATIONS OFF CENTRAL AMERICX^M/V Oregon Cruise 46): Exploratory shrimp trawl- ing, tuna fishing, and the determination of live- bait availability along the east coast of Central America occupied the M/V Oregon during cruise 46 (August 12-September 26T) Six long-line sets were made south of Cabo Gracias A Dios. Two 49-basket sets made west and south of Old Providence Island yielded no tuna. Four sets off Panama and Costa Rica caught a total of 81 yellowfin tuna at rates of to per 100 hooks, with an average weight per fish of 110 pounds. A total of 72 exploratory shrimp-trawling stations were made on the outer edges of the broad shelf off Honduras and Nicaragua in depths of 100 to 550 fathoms. Royal-red shrimp (Hy- menopenaeus robustus) were caught in small numbers over wide areas in depths of 250 to 400 fathoms. At no time did catches exceed 15 povmds an hour. Bottom-temperature transects showed a verv marked temperature decrease ( to F.), in the 200- to 300-fathom range. Catches from beyond 400 fathoms con- tained small numbers of very large (4-10 count heads-on) scarlet-red shrimp. Piesiopenaeus edwardsianus. Fifteen shrimp-trawl drags were made in depths of 10 to 100 fathoms on the outer edges. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. National Marine Fisheries Service; U. S. Fish and Wildlife Service; United States. Bureau of Commericial Fisheries. [Washington] : National Marine Fisheries Service; [for sale by the Supt. of Docs. , U. S. Govt. Print. Off. ]
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