File:Aquatic life (1916-1917) (19720744596).jpg

Title: Aquatic life
Identifier: aquaticlife219161917baus (find matches)
Year: 1916-1917 (1910s)
Authors: Bausman, Joseph E
Subjects: Aquariums; Fish culture
Publisher: Philadelphia : J. E. Bausman
Contributing Library: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
Digitizing Sponsor: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library

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j9quati( £i(f 25 by the Honeywell Specialties Company, of Wabash, Indiana, through whose courtesy T am enabled to present the ac- companying illustrations, is known by the writer, after several years' experi- ence, to be unusually efficient for opera- tion in connection with tropical fish main- tenance. The Nurse Shark The curious, pig-like habit of the nurse sharks of Florida have been brought to the notice of the North Carolina Acad- emy of Science by E. W. Gudger. A third of the circumference of Boca Grande Cay. a small coral sand island twenty miles west of Key West, is bounded by a gently sloping rock bottoni, on which the water half a mile from shore is not more than four or five feet deep, and on this bottom great numbers of the sharks gather to bask in the sun, play, breed and possibly feed. AMth sel- dom less than a dozen visible, as many as thirty-three have been in view at one time. They are broad, sluggish, so little afraid that a boat may touch their fins before they will move, and they lie piled together in a confused herd, like well-fed pigs in a barnyard. Sometimes three of four together svvdm aimlessly about. They are harmless, with small mouths filled with small, pointed teeth, and though omnivorous, their food seems to be chieflv crustaceans. Educating the Goldfish He found his own front porch with wonderful accuracy, navigated the steps with precision, and discovered the key- hole by instinct. Once in the dimly- lighted hall there was an ominous silence, followed by a tremendous crash. "Why, what has- happened, Henry?" came a voice from above. "It's all right. Mary, but I'll—I'll learn these goldfish to snap at me!"—Bi'ery- hody's. Vallisneria Spiralis J. CHAS. WOBLER There are just a few aquarium plants that rank in efficiency with Vallisneria spiralis, the Eel-grass, Tape-grass or Wild Celery. Given a little sunshine, or even without, it grows remarkably fast, producing new plants from its creeping
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Vallisneria Spiralis From Wolf's "Goldfish Breeds" stems or stolons, and rapidly forming thickets of bright green ; sometimes half a dozen plants will be found strung to- gether. It sufifers somewhat when com- pared with Sagittaria, because its leaves are more tender and easily broken in transplanting, otherwise it is equally good. In general it seems to prefer more sunlight than Sagittaria, and a shallower

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