This section is from the "American Fish And How To Catch Them. A Hand-Book For Fishing" book, by W. C. Weidemeyer. Also from Amazon: American fish and how to catch them: A hand-book for fishing.
Also known as Spring Mackerel. The well-known crop fish that haunts the Northern American Continent in countless numbers. Very plenty off the coast of Maine and Massachusetts; less plenty on New York and New Jersey shores. They appear on the broad ocean, off Long Island, in May and June. In more southerly latitudes these fish become less frequent, and the fishery is unimportant. Market providers give some attention to mackerel-fishing; with anglers their catch is of no account. Mackerel are easily captured ; they appear in large numbers and bite freely. As they rarely enter bays or inlets, the fishing is done from boats. Use for hook, Limerick Salmon No. o ; bait with red flannel.A handsome, active, and gamy fish; but too oily to be easily digestible.
 
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