File:The Aquarium bulletin (1917) (19739191072).jpg

Title: The Aquarium bulletin
Identifier: aquariumbulletin1917broo (find matches)
Year: 1917 (1910s)
Authors: Brooklyn Aquarium Society, Inc
Subjects: Aquariums; Aquarium fishes
Publisher: Brooklyn, N. Y. : Brooklyn Aquarium Society, Inc.
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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Text Appearing Before Image:
THE AQUARIUM BULLETIN
Text Appearing After Image:
Daiiio Rerio By H. a. Van Cott. (Illustration from wash drawing from life by author.) From far away southeastern Asia the very attracti\'e little Danio Rerio has been carried to us. This small exotic lish is one of the most beautiful we have in our aquariums to day. Graceful and tireless swimmers, never do we find them at rest, except for a few short moments at a time, and then they are flitting- away, back and forth, up and down the tank, the light flash- ing their colors and strong markings. In size, they rarely exceed one and one-half inches; this diminutiveness is however more than compensated by their strongly marked, brilliant colors, and ceaseless activity. A word description, like the accompanying illustration, falls far short of convey- ing to the mind the beauty and attractiveness of this little fish. The ground color is a pearly-white, blending into a light yellowish-green on the back. Brilliant metallic pea- cock-blue horizontal bars run from the gill-covers and extend on through the anal and caudal fins. Between the deep blue bars a tint of soft crimson is noted. The pectoral fins are trans- parent and tjuite broad in proportion to the fish and are one of the principle means of its rapid motion through the water. The dorsal fin is also trans- parent with a faint bluish bar follow- ing the outline, especially in old specimens. The anal and caudal are both transparent, but distinctly barred with the horizontal bars of blue. The ventral fins are clear and show no markings. On the mandible, two short hair- like barbules may be seen when closely examined. The eye-pupil is jet black, surrounded by a circle of faint, but brilliant gold. This fish is found to be remarkably hardy, withstanding a temperature of 4.') degrees Fahrenheit and apparently contented in an unclean tank, but they show much better color and are far more active when in a thickly planted balanced tank with old clear water and maintained at a temperature of not less than 70 degrees Fahrenheit. One of the most beautiful

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