. Bulletin of the United States Fish Commission. Fisheries -- United States; Fish-culture -- United States. FISHES OF THE GULF OF MAINE 227 Swordfish are harpooned. We have never heard of one caught in net or seine, nor is it likely that any net of the sorts now in use would hold a large one. On rare occasions swordfish have heen taken on hand lines baited for cod with mackerel or other fish. Goode (1SS3), for example, relates an instance where seven were so caught in one day in the South Channel in 15 to 25 fathoms, and fishermen have told us of other such happenings. Commercial importance,—A
. Bulletin of the United States Fish Commission. Fisheries -- United States; Fish-culture -- United States. FISHES OF THE GULF OF MAINE 227 Swordfish are harpooned. We have never heard of one caught in net or seine, nor is it likely that any net of the sorts now in use would hold a large one. On rare occasions swordfish have heen taken on hand lines baited for cod with mackerel or other fish. Goode (1SS3), for example, relates an instance where seven were so caught in one day in the South Channel in 15 to 25 fathoms, and fishermen have told us of other such happenings. Commercial importance,—Appreciation of the swordfish in the market is of recent growth. Down to the middle of the past century it was unsalable in Boston and brought a very low price in New York, but of late years the demand would take care of a much greater supply than is available. In 1919 the price to the fisher- men averaged between 23 and 24 cents per THE SAILFISHES. FAMILY ISTIOPHORID^ Sailfishes, like the swordfish, have a "sword" formed by the prolongation of the snout and upper jaw. They are scaly, however; their teeth persist throughout life; they have long ventral fins; and their dorsal fins occupy the greater part of the. Fig. 104.—Spearfish (Tetrapturus imperator) back behind the nape; characters that separate them at a glance from the swordfish family. Five species are known—all oceanic and subtropical—only one of which has ever been taken within the limits of the Gulf of Maine, though a second (the sailfish) might stray thither (p. 228). KEY TO GULF OF MAINE SAILFISHES 1. First dorsal fin much higher than the body is deep; ventrals of 3 rays Sailfish, p. 228 The first dorsal fin is not higher than the body is deep; ventrals reduced to one spine each Spearfish, p. 227 84. Spearfish (Tetrapturus imperator Bloch and Schneider) BlLLFISH Jordan and Evermann, 1896-1900 (Tetrapturus albidus), p. 892. Description.—The spearfish parallels the common swordfish in the
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