|
Freshwater Desktop Pix FULL
SIZE
(For personal use only: NOT public
domain)
(Mmm, right click, add, set as background...)
Archive 20
To: Today's FW Pic, FW
Archive 1, FW Archive 2,
FW Archive 3,
FW Archive 4,
FW Archive
5, FW
Archive 6, FW
Archive 7, FW
Archive 8, FW
Archive 9, FW Archive 11,
FW Archive
12, FW Archive 13, FW Archive 14, FW Archive 15, FW Archive 16, FW Archive 17, FW Archive 18, FW Archive 19, FW Archive 21, FW Archive 22, FW Archive 23, FW Archive 24, FW Archive 25,
|
 |
| 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. |
|
|
| 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. |
 |
| 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. |
 |
| 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. |
|
|
