Freshwater Desktop Pix FULL
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Archive 20
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Chalceus erythrurus (Cope 1870), the Tucan
Fish to science is the Red (sometimes Yellow) Tailed Chalceus to
the pet-fish world. South America; Amazon Rivers. To ten inches in
length. Placed by others variously in other subfamilies
(Bryconinae). Tropical; 22-26 C. A real jumper... needs meaty foods
frequently to retain color, vigor. |
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Colossoma macropomum (Cuvier 1816), the
Tambaqui to science, various types of Pacu to aquarists. From South
America, Amazon and Orinoco systems. To thirty eight inches in
length in the wild, 30 kg. A "fruit-eating" Piranha;
herbivorous. Cond.s pH 5-7.8, dH to 20, temp. 22-28 C. Aquarium
image. |
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Dentition of a "fruit-eating Piranha". A
mount at the Baltimore aquarium showing the handy teeth and jaws of
a Colossoma sp. Specialized for chewing the pericarp from seeds
that find their way into the rivers these fishes inhabit. |
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Metynnis hypsauchen (Muller & Troschel
1844), the Silver Dollar (at least the most common one in the
aquarium interest). South America; Guianas, Paraquay and Amazon
Basins. To six inches in length. Cond.s: pH 6-7, dH to 10, temp.
24-28 C. M. schreitmuelleri in older literature.
Juveniles in captivity. |
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