. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. 22 CALIFORNIA FISH AND GAME. season, or it may be a migration to shallower water for feeding purposes, or an influx of fish from the south as the water grows warmer. At any rate, the gill netters do not seem able to keep the market consistently and fully supplied with barracuda during three-quarters of the year. Both the dealers and fishermen claim that even in the best season for the gill netters their catch is very variable from day
. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. 22 CALIFORNIA FISH AND GAME. season, or it may be a migration to shallower water for feeding purposes, or an influx of fish from the south as the water grows warmer. At any rate, the gill netters do not seem able to keep the market consistently and fully supplied with barracuda during three-quarters of the year. Both the dealers and fishermen claim that even in the best season for the gill netters their catch is very variable from day to day, as it is greatly affected by the phases of the moon. What little work we had time to do on this portion of the subject seemed to confirm this and indicate that there might possibly be a lunar periodicity in the gill net catches. If so. this might be due to the spawning habits of the fish, a depth, or an inshore migration as they follow the bait fish, chiefly anchovies and sardines, which in turn may migrate following plankton, Cents per pound 18 16 14 io m. July Aug-. Sept. Oct. Nov. Dec. Jan. Feb. Mar. Apr. July, , 1923, inc- July, L924-April, 1925, inc. Fig. 6. July, 1925-April, 1926, inc. C parison of prices of barracuda. partially controlled by moon phases, or the fish may be able to see and avoid the gill nets in the lighter phases of the moon. We have not had opportunity to do much more than speculate on this part of the problem, but some very interesting and profitable work could be done on it. The decreased and unstable barracuda catch seems to be having a far reaching effect on species of fish other than the barracuda. The dealers say that since the price of barracuda has gone up to such a high point and the supply is so uncertain, there is a greater quantity of salmon shipped in here from the north and sold than was formerly the case. The barracuda used to be their stable fish, one on which they could guarantee delivery, but now the salmon of the
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