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CATOSTOMIDAE. (The Suckers.)

  1. Drum. Lake Carp. Carpiodes thompsoni (Agassiz) .—Occasionally taken by the gill-net fisher-men in Lake Ontario. It attains a weight of five or six pounds, but is not valued as a food fish.

  2. Northern Sucker. Long-nosed Sucker. Catostomus catostomus (Forster).—Occasionally taken in Lake Ontario.

  3. Common Sucker. White Sucker. Catostomus commersonii (Lacepede).—This is the most abundant of all the Suckers in Ontario waters, and the most generally distributed. It is found in lakes, rivers and even in land-locked marshes and ponds. It spawns in early spring, soon after the ice goes out, and then forces its way up the flooded streams and through the swiftest rapids to reach the spawning beds. At this time vast numbers are speared and netted by fish-hungry people in the rural districts, for at this season its flesh is eatable, though coarse and full of bones. Commercially it is of very little value, but as it affords food for Bass, Lake Trout, and all other predaceous and voracious fishes, it is of considerable economic importance. Its food consists largely of soft-bodied insects and the smaller crustaceans, and it will readily take worm bait. The largest I have ever seen would weigh from three to


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