Image from page 23 of “Goldfish breeds and other aquarium fishes, their care and propagation : a guide to freshwater and marine aquaria, their fauna, flora and management. With 280 explanatory illustrations, printed with the text” (1908)

Image from page 23 of "Goldfish breeds and other aquarium fishes, their care and propagation : a guide to freshwater and marine aquaria, their fauna, flora and management. With 280 explanatory illustrations, printed with the text" (1908)
Heart Disease
Identifier: goldfishbreedsot00wolf
Title: Goldfish breeds and other aquarium fishes, their care and propagation : a guide to freshwater and marine aquaria, their fauna, flora and management. With 280 explanatory illustrations, printed with the text
Year: 1908 (1900s)
Authors: Wolf, Herman Theodore, 1855-
Subjects: Aquariums Goldfish
Publisher: Philadelphia : Innes & sons
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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Text Appearing Before Image:
FIG. 3—Greatlv enlarged scaleof the Goldfish and diagramof imbrication. HISTORY AND ANATOMY OF THE GOLDFISH capacious and opens into a well-defined stomach furnished with a valve,behind which are a number of enlargements or appendages, the pyloriccaeca, which probably serve as the pancreas. The intestinal canal is a con-voluted tube lined by a mucus membrane which winds in easy turns from

Text Appearing After Image:
FIG. 4—Interior anatomy of the Goldfish, showing parts referred to in descriptions,i Gullet and gills. 5 Vertebra;. 9 Kidney. 2 Eye socket. 6 Heart. 10 Milt. 3 Nasal passage. 7 Swimming-bladder. 11 Intestines. 4 Brain. 8 Liver. 8a Stomach. 12 Anus. the pylorus to the anus. The liver is large, the gall-bladder distinct, andthe kidneys, situated outside of the peritoneal cavity, form two elongatedorgans below the spine. The swimming bladder is large and consists of a constricted sac di-vided into an anterior and a posterior portion which contains air. It isplaced above the alimentary canal and communicates with the gullet by aduct. It serves to maintain the specific gravity and to change the centreof gravity of the fish and is enlarged or contracted by muscular action,whereby the air is expanded or compressed. When this bladder is rup-tured, malformed or diseased the fish loses all power of changing its posi-tion except in limited motion over the bottom of the tank, or is helplesson t

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