. Fishes. Fishes. 706 Suborder Heterosomata of flounders, having the ventral fin of the eyed side extended along the ridge of the abdomen. The eyes and color are, how- ever, on the right side. The eyes are separated by a narrow interorbital ridge. In most of these forms the body is broad and covered with rough scales. The species are mostly less than six inches long, and nearly all are confined to the warmer parts of America, many of them ascending the rivers. A very few {Aseraggodes, Pardachirus) are found in Japan and China. Some are scaleless and some have but a single small gill-open- ing
. Fishes. Fishes. 706 Suborder Heterosomata of flounders, having the ventral fin of the eyed side extended along the ridge of the abdomen. The eyes and color are, how- ever, on the right side. The eyes are separated by a narrow interorbital ridge. In most of these forms the body is broad and covered with rough scales. The species are mostly less than six inches long, and nearly all are confined to the warmer parts of America, many of them ascending the rivers. A very few {Aseraggodes, Pardachirus) are found in Japan and China. Some are scaleless and some have but a single small gill-open- ing on the blind side. The principal genus is Achirus. Achirus fasciatus, the common American sole, or hog-choker, is abun- dant from Boston to Galveston. Achirus lineatus and other species are found in the West Indies and on the west coast of Mexico. Almost all the species of Achirus are banded with black and the pectorals are very small or wanting altogether. AU these species are practically useless as food from their very small , Fig. 609.—Hog-choker Sole, Achirus lineatus (L.), Potomac River. ,1. The European Soles (Soleinse).—The European soles are more ^ elongate in form, with the ventral fins narrow and not extended along the ridge of the abdomen. The eyes are on the right side with no bony ridge between them. No species of this type is. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Jordan, David Starr, 1851-1931. New York, H. Holt and Company
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