. A manual of zoology. Zoology. IV. VERTEBRATA: PISCES, TELEOSTEL 5T1 Order III. Acanthopteri (Acanthopterygii). This is the hirgest group of fishes, its members usually having the ventral fins thoracic in position and more than three raj's spiny in dorsal, anal, and ventral fins. The sticklebacks (Gasteku- STEiDiE) and some other forms have the pharyngeal bones reduced, the ventral fins farther back, and form the grouji Ilemibranchii. Gnsterosteus.* The perch of fresh water (Perciu^), Perca* and MirA'optems* (black bass), and the marine Serkanid^, some of which are hermaphroditic, have ctenoi
. A manual of zoology. Zoology. IV. VERTEBRATA: PISCES, TELEOSTEL 5T1 Order III. Acanthopteri (Acanthopterygii). This is the hirgest group of fishes, its members usually having the ventral fins thoracic in position and more than three raj's spiny in dorsal, anal, and ventral fins. The sticklebacks (Gasteku- STEiDiE) and some other forms have the pharyngeal bones reduced, the ventral fins farther back, and form the grouji Ilemibranchii. Gnsterosteus.* The perch of fresh water (Perciu^), Perca* and MirA'optems* (black bass), and the marine Serkanid^, some of which are hermaphroditic, have ctenoid scales. The Scombeid^t:, with Scomber* the mackerel, and Tliynnus* the horse mackerel, and. Fio. 605-—Scumhcr smhru!^y mackerel. the Xii'iiiiD^i;, or sword fishes, in which the snout is jirolonged into a long sword, are the most important edible fishes of the group. Tlie Lcji'.iuATi, including the sculpins {Coitus,* Hemitripterus,* fre- quently have the body armored with Ijony plates. The Emistotocid^e, or surf perches of the Pacific, are viviparous. Tlie suck fishes, Remora,* Echeiicix,'" have the first dorsal modified into a sucker on the top of the head. Order IV. Anacanthini. These are soft-finned fishes in which the ventral fins lie in. 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 Hertwig, Richard, 1850-1937; Kingsley, J. S. (John Sterling), 1854-1929. New York, H. Holt and Company
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectzoology, bookyear1902
