Please visit our Sponsors

 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.

Become a Sponsor Features:
Daily FAQs FW Daily FAQs SW Pix of the Day FW Pix of the Day New On WWM
Helpful Links Hobbyist Forum Calendars Admin Index Cover Images
Featured Sponsors: