Congo Tetra
The male is larger and has extended tail fin and dorsal fin.
Congo tetra. If there is a lack of plant elements they will start eating soft plants used for decoration. The extended dorsal and tail fin develops into a most beautiful grayish violet feathery appendage with white edges as the. In the wild congo tetras get a bit longer.
Congo tetras are relatively small but they re a bit larger than most types of tetras. Congo tetras are fairly hardy but only if kept in habitats that are maintained correctly. The congo tetra has a typical full bodied tetra shape with rather large scales.
The average congo tetra size is between 3 and 3 5 inches long in captivity. They like darker substrates and enjoy nibbling on bottom growing plants. They can usually be found reaching lengths of 4 and a half inches.
A tank which has tetra fishes in it should be thickly planted. Phenacogrammus interruptus is a timid but unspeakably beautiful aquarium fish. It is commonly kept in aquaria.
Probably it is the most gorgeous fish of the characin family. When mature the iridescent colors of the congo tetra run through the fish. They prefer still dark soft peat filtered water with low light levels.
This can be achieved with dim aquarium lights and floating plants. Congo tetra habitat and care.