. A guide to the study of fishes. Fishes; Zoology; Fishes. 296 Percoidea, or Perch-like Fishes dull green in color and feeds on insects and worms. It has no economic value, although extremely interesting in its anatomy and relationship. AVhether the Asineopidcc, fresh-water fishes of the American Eocene, and the Erismatopterida;, of the same deposits (see page 235) are related to Aphredoderus or to Percopsis is still uncertain. The Pigmy Sunfishes: Elassomidae.—One of the most primitive groups is that of Elassomidcc, or pigmy sunfi=hes. These are. air sa kull of the Kock 15ass, Amhloplitcs rnp
. A guide to the study of fishes. Fishes; Zoology; Fishes. 296 Percoidea, or Perch-like Fishes dull green in color and feeds on insects and worms. It has no economic value, although extremely interesting in its anatomy and relationship. AVhether the Asineopidcc, fresh-water fishes of the American Eocene, and the Erismatopterida;, of the same deposits (see page 235) are related to Aphredoderus or to Percopsis is still uncertain. The Pigmy Sunfishes: Elassomidae.—One of the most primitive groups is that of Elassomidcc, or pigmy sunfi=hes. These are. air sa kull of the Kock 15ass, Amhloplitcs rnpestris. very small fishes, less than two inches long, living in the swamps of the South, resembling the sunfishes, but with the number of dorsal spines reduced to from three to five. Elassouia zonainm occurs from southern Illinois to Louisiana. Elassoiiu cver- gladei abounds in the Everglades of Florida. In both the body. 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
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