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N-658 Freshwater Rays (Subwasser Rochen )(Aqualog 15) By Ross and Schafer hardcover, 192 pages, 409 photos in full color, 28 b/w drawings (Aqualog) $54.40
Description: Most people think of the rays as marine fishes, but there are numerous species which spend their entire lives in fresh water. Then again other species, for example the mighty swordfish, live in fresh water for at least part of he time and are regularly encountered in the lower courses of rivers.
This AQUALOG volume represents the first comprehensive publication in the popular literature to cover all the rays living in fresh and brackish water, with full coverage of:
- the sawfishes (Pristidae)
- the guitarfishes (Rhinobatidae)
- the South American freshwater stingrays (Potamotrygonidae)
as well as all the representatives of the electric rays (Torpediniformes), eagle rays, mantas, etc (Myliobatidae), and whiptail stingrays (Dasyatidae) that are known to enter fresh or brackish water. An identification key for all the species is provided. The aquaristically significant freshwater stingrays are depicted in color photos illustrating a never-before-seen panoply of species and color varieties. All the other species are likewise illustrated as never before. Splendid biotope photos from the natural habitats of these rays round off this superlative volume. This book thus presents an indispensable reference work for anyone interested in rays - aquarists, zoological gardens, scientists, and divers.
Description: In the rivers and lakes of tropical South America lives a group of fishes that are more often associated with the sea - stingrays. Although in their natural habitat they are feared much more than the piranhas, on account of their Dangerous poisonous spines, all over the world increasing numbers of enthusiastic aquarists are succumbing to the fascination of these unique creatures. Dr Richard Ross, a scientist at the Santa Barbara Zoo in America, has for a long time been keeping these fishes in the display aquaria at the zoo, and here publishes the vast store of knowledge derived from this experience. The requirements of these rays, as regards successful maintenance and breeding, are revealed in detail for the first time in the literature. The reader will learn all about the requisite tank size, how to set up an aquarium for rays, the correct water parameters, and breeding. The successful diagnosis and treatment of diseases that affect rays is also covered in detail. In addition the different species groups and their peculiarities are discussed. The extremely detailed text is illustrated with more than 80 unique photos, making this an indispensable book for anyone who wishes to know more about these interesting creatures or who is keeping - or planning to keep - stingrays in an aquarium.