dorado
(Salminus maxillosus), powerful game fish of the characin family, Characidae, found in South American rivers. The dorado is golden, with red fins and with lengthwise rows of dots on its body, and superficially...
Pacu
The most diverse community is found in the Amazonian and Guianan forests, where the abundance of water and trees makes life easy. Rivers are the realm of large numbers of invertebrates and fishes, such...
Piranha
Also called caribe or piraya razor-toothed, carnivorous fish of South American rivers and lakes, with a somewhat exaggerated reputation for ferocity. Most species of piranha never grow larger than 60 cm...
Catfish
Any of the fishes of the order Siluriformes. Catfishes are related to the characins, carp, and minnows (order Cypriniformes) and may be placed with them in the superorder Ostariophysi. Some authorities,...
General Features Of Fish
Structural diversity Fishes have been in existence for more than 450,000,000 years, during which time they have evolved repeatedly to fit into almost every conceivable type of aquatic habitat. In a sense,...




