The blue acara (Andinoacara pulcher) is a very colorful freshwater fish in the cichlid family. This fish can be found in various freshwater habitats, ranging from standing water to flowing streams, in Venezuela and Trinidad. They can reach lengths of 16 cm (6.3 in).

The Serpae tetra, also known as the Red Minor tetra, Jewel tetra or Callistus tetra, is a species of tetra, a tropical freshwater fish of the characin family of order Characiformes. It is native to the Amazon River drainage in Brazil, Peru, Paraguay, Bolivia and northern Argentina.

The Dumbo Betta is one of the most ornate and unusual varieties of Betta splendens. This variety has very enlarged pectoral fins that look like large elephant ears on either side of the betta's head. These fins may have similar coloration to the body or may even be a contrasting color.  

The Ryukin Goldfish (scientific name: Carassius auratus) is one of many fancy goldfish varieties. ... The exact origins of the Ryukin Goldfish have been long lost to history. However, it's believed that they originated in China and were brought to Japan in the 1770s. There, the fish became widely popular.

The Copper Oscar Fish most important aspect of mixing any aggressive cichlid in an aquarium is the tank size. It has been said that if you have an aquarium large enough, you can mix any fish.

The oscar (Astronotus ocellatus) is a species of fish from the cichlid family known under a variety of common names, including tiger oscar, velvet cichlid, and marble cichlid. In tropical South America, where the species naturally resides, A.

The Koi Tuxedo Guppy (Poecilia reticulata) is a very uncommon guppy variety that has vivid orange, dark blue, and white coloration in both males and females. Males also display this coloration across the entire body and fins!

Silver dollar is a common name given to a number of species of fishes, mostly in the genus Metynnis, tropical fish belonging to the family Characidae which are closely related to piranha and pacu. Native to South America, these somewhat round-shaped silver fish are popular with fish-keeping hobbyists.

[embedyt] https://www.youtube.com/watch?v=gkDoyNFmmAs[/embedyt]   The green terror is a colorful freshwater fish in the cichlid family. The fish originates from the Pacific side of South America from the Tumbes River in Peru to the Esmeraldas River in Ecuador. It is polymorphic and can have white or gold-orange edging to the tail and dorsal fins.

Pseudoplatystoma fasciatum or barred sorubim or barred catfish is a species of long-whiskered catfish native to the Suriname, Corantijn and Essequibo. The nocturnal predator feeds mainly on other fish and crabs. Females reach a more notable size.