characins

Many beautiful ornamental fish are taken from the blackwater tributaries and lakes in this region for aquaria: the discus Symphysodon discus and S. aequifasciata, hundreds of cichlids in the genus Cichlasoma, assorted characins, Anostomidae, tetras in the genera Hemigrammus and Aequifasciata, and Hyphessobrycon spp., and many catfish of the families Aspredinidae, Corydoradinae, Doradidae and Loricariidae.

Central Amazonian Conservation Complex, Brazil 2008

Many beautiful aquarium fish come from these rivers and blackwater tributaries and lakes in this region, including the discus fish (Symphsodon aequifasciata sp.), hundreds of cichlids, such as in the genus Cichlasoma, assorted characins (family Anostomidae), tetras such as those in the genera Hemigrammus and Hyphessobrycon, and many catfish (families Aspredinidae, Corydoradinae, Doradidae, and Loricariidae).

Gurupa varzea 2008

They includes the discus fish (Symphsodon aequifasciata sp.), hundreds of cichlids such as in the genus Cichlasoma, assorted characins (family Anostomidae), tetras such as those in the genera Hemigrammus and Hyphessobrycon, and many catfish (families Aspredinidae, Corydoradinae, Doradidae, and Loricariidae).

Purus varzea 2008

As many male characins do, the male lemon tetras also have tiny hooks on their anal fins.

Aquarium Supplies 2008

Another member of the large characin clan, the lemon tetra has a fairly elongated body like its smaller relative the neon tetra and like neons and other characins, the lemon tetra does best if kept in small schools of six to eight fish.

Aquarium Supplies 2008

These include the angelfish (Pterophyllum scalare), the discus fish (Symphsodon aequifasciata sp.), hundreds of cichlids such as in the genus Cichlasoma, assorted characins (family Anostomidae) such as tetras in the genera Hemigrammus and Hyphessobrycon and the famous neon tetra (Paracheirodon innesi), and many small catfish (families Aspredinidae, Corydoradinae, Doradidae, and Loricariidae).

Iquitos varzea 2008