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قراءة كتاب Fly Fishing in Wonderland
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href="@public@vhost@g@gutenberg@html@files@37278@[email protected]#FNanchor_A_1" class="pginternal" tag="{http://www.w3.org/1999/xhtml}a">[A] Note—"As already stated, the trout of Yellowstone Lake certainly came into the Missouri basin by way of Two-Ocean Pass from the Upper Snake River basin. One of the present writers has caught them in the very act of going over Two-Ocean Pass from Pacific into Atlantic drainage. The trout of the two sides of the pass cannot be separated, and constitute a single species."
THE TROUT—NATIVE AND PLANTED
O MANY people a trout is merely a trout, with no distinction as to variety or origin; and some there be who know him only as a fish, to be eaten without grace and with much gossip. Again, there are those who have written at great length of this and that species and sub-species, with many words and nice distinctions relative to vomerine teeth, branchiostegal rays and other anatomical differences. I would not lead you, even if your patience permitted, along the tedious path of the scientist, but will follow the middle path and note only such differences in the members of this interesting family as may be apparent to the unpracticed eye and by which the novice may distinguish between the varieties that come to his creel.
In a letter to Doctor David Starr Jordan, in September, 1889, Hon. Marshall McDonald, then U. S. Commissioner of Fish and Fisheries, wrote, "I have proposed to undertake to stock these waters with different species of Salmonidae, reserving a distinct river basin for each." Every one will commend the wisdom of the original intent as it existed in the mind of Mr. McDonald. It implied that a careful study would be made of the waters of each basin to determine the volume and character of the current, its temperature, the depth to which it froze during the sub-arctic winters, and the kinds and quantities of fish-food found in each. With this data well established, and knowing, as fish culturists have for centuries, what conditions are favorable to the most desirable kinds of trout, there was a field for experimentation and improvement probably not existing elsewhere.
The commission began its labors in 1889, and the record for that year shows among other plants, the placing of a quantity of Loch Leven trout in the Firehole above the Kepler Cascade. The year following nearly ten thousand German trout fry were planted in Nez Perce Creek, the principal tributary of the Firehole. Either the agents of the commission authorized to make these plants were ignorant of the purpose of the Commissioner at Washington, or they did not know with what immunity fish will pass over the highest falls. Whatever the reason for this error, the die is cast, and the only streams that have a single distinct variety are the upper Gardiner and its tributaries, where the eastern brook trout has the field, or rather the waters, to himself. The first attempt to stock any stream was a transfer of the native trout of another stream to Lava Creek above the falls. I mention this because the presence of the native trout in this locality has led some to believe that they were there from the first, and thus constituted an exception to the rule that no trout were found in streams above vertical waterfalls.
Many are confused by the variety of names applied to the native trout of the Yellowstone, Salmo lewisi. Red-throat trout, cut-throat trout, black-spotted trout, mountain trout, Rocky Mountain trout, salmon trout, and a host of other less generally known local names have been applied to him. This is in a measure due to the widely different localities and conditions under which he is found, and to the very close resemblance he bears to his first cousins, Salmo clarkii, of the streams flowing into the Pacific from northern California to southern Alaska; and to Salmo mykiss of the Kamchatkan rivers. Perhaps the very abundance of this trout has cheapened the estimate in which he is held by some anglers. Nevertheless, he is a royal fish. In streams with rapid currents he is always a hard fighter, and his meat is high-colored and well-flavored.
The name "black-spotted" trout describes this fish more accurately than any other of his cognomens. The spots are carbon-black and have none of the vermilion and purple colors that characterize the brook trout. The spots are not, however, always uniform in size and number. In some instances they are entirely wanting on the anterior part of the body, but their absence is not sufficiently important to constitute a varietal distinction. The red dash under the throat (inner edge of the mandible) from which the names "cut-throat" and "red-throat" are derived, is never absent in specimens taken here, and, as no other trout of this locality is so marked, it affords the tyro an unfailing means of determining the nature of his catch.
If the eastern brook trout, Salvelinus fontinalis, could read and understand but a part of the praises that have been sung of him in prose and verse through all the years, what a pampered princeling and nuisance he would become! But to his credit, he has gone on being the same sensible, shrewd, wary and delightful fish, adapting himself to all sorts of mountain streams, lakes, ponds and rivers, and always giving the largest returns to the angler in the way of health and happiness. The literature concerning the methods employed in his capture alone would make a library in which we should find the names of soldiers, statesmen and sovereigns, and the great of the earth. Aelian, who lived in the second century A. D., describes, in his De Animalium Natura, how the Macedonians took a fish with speckled skin from a certain river by means of a hook tied about with red wool, to which were fitted two feathers from a cock's wattle. More than four hundred years prior to this Theocritus mentioned a method of fishing with a "fallacious bait suspended from a rod," but unfortunately failed to tell us how the fly was made. If by any chance you have never met the brook trout you may know him infallibly from his brethren by the dark olive, worm-like lines, technically called "vermiculations," along the back, as he alone displays these heraldic markings.