. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. 62 FISH AND GAME COMMISSION The investigations in the San Joaquin Delta have been greatly facili- tated by the construction of the new Fish and Game research vessel, Striper. This vessel is o\^aied by the Bureau of Fish Conservation and is manned by a netman and boatswain employed by the Bureau of Marine Fisheries. His time is divided about equally between the two bureaus. The Striper is a 28-foot Frazer River type gill-net boat with
. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. 62 FISH AND GAME COMMISSION The investigations in the San Joaquin Delta have been greatly facili- tated by the construction of the new Fish and Game research vessel, Striper. This vessel is o\^aied by the Bureau of Fish Conservation and is manned by a netman and boatswain employed by the Bureau of Marine Fisheries. His time is divided about equally between the two bureaus. The Striper is a 28-foot Frazer River type gill-net boat with a power reel for winding up gill nets. It is equipped with bunks and facilities for cooking. When used by Fish Conservation, most of the Striper's. -^ Figure 14. Fish and Game boat Striper jointly used by the Bureau of Marine Fisheries and the Bureau of Fish Conservation for research in the Sacramento-San Joaquin Delta. Photograph by Kramer Adams. time is spent working on striped bass. Marine Fisheries uses most of its share of the boat's time on salmon investigation but has done some work on crabs. The boat has been used for tow net hauls, for the dragging of small trawls and dredges, and for gill-netting to obtain striped bass and salmon for tagging. The power-operated net reel makes this last opera- tion far easier and more efficient. The use of this power reel makes it pf)ssible for the operators to make as many as six comparatively short gill-net drifts where a crew with a hand-pulled gill net would find it possible to make no more than two long drifts. This means that the fish spend a relatively short time tangled in our nets, hence are much less weakened by being held. A net is strung out in an appropriate place and allowed to drift for whatever length of time seems most desirable, usually about an hour, and then is picked up. To pick up the net, one operator steps on a treadle in the rear of the boat. This starts the big reel turning slowly and brings in the net until
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