File:The aquarium (1895) (19125450553).jpg

Title: The aquarium
Identifier: aquarium3341895mule (find matches)
Year: 1897 (1890s)
Authors: Mulertt, Hugo
Subjects: Aquarium animals; Aquarium fishes; Aquariums
Publisher: Brooklyn, N. Y. : H. Mulertt
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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THE AQUARIUM, JANUARY, 1895. 149 bands of a dark, purplish hue. These upper tones pass into rich golden tints, which grow gradually paler till they become nearly white underneath. The ventral, anal and caudal fins are bright orange, the others different shades of brown, the dorsal ones being marked with a few black spots. Specimens of the perch are occasion- ally found nearly white in ponds im- jDregnated with the particles from par- ticular soils, and they retain this color €ven when removed to other waters. A white perch would form a splendid ad- dition to the aquarium, but such a prize have dreamt of without some previous knowledge concerning them. AN OLD FRIEND IN A NEW ROLE. ANACHARIS CANADENSIS AS A DISIN- FECTANT. It does one good to hear occasionally a good word regarding an old friend. Some twenty years ago we were in certain localities of the Ohio Valley attracted by the luxuriant growth of a species of aquatic plant. The growth as seen below the water surface, cover- ing the bottom densely, made the bot-
Text Appearing After Image:
The Striped Top-Minnow of the Ohio Valley and a Spric; op Anacharis Canadensis. (Natui-al Size.) is but rarely to be met with. It should be observed here that fish jDlaced along with the perch should be of nearly or •quite his own size, as he is terribly pis- •civorous. We think it desirable to know some- thing of the character and antecedents before introducing fish into an aqua- rium, as the more we know respecting their habits, qualities, history, etc., the more we shall find them surrounded with pleasing and instructive associa- tions, and capable of inspiring many kinds of interest which we should not tom appear like a submerged miniature forest. Upon closer inspection we found that this jolant was the much despised " canal pest" (Anacharis canadensis or Eloclea alstnastruni of others). But little was known then regarding its properties except that it was a very troublesome water-weed, ob- structing navigation and for that rea- son the characteristic name of canal pest was given it. In Europe, to which country it had been brought by scien- tists who use it to study the circulation in the leaves under the microscope, it

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