In soft tissues, crepitus can be produced when gas is introduced into an area where it is normally not present. The term can also be used when describing the sounds produced by lung conditions such as interstitial lung diseaseâthese are also referred to as rales.
Bloodfin Tetra-Information about keeping and breeding Bloodfin Tetras in aquariums. Breeding the Black Tetra-Breeding notes for Gymnocorymbus ternetzi. Cardinal Tetra Fish-An introduction to Cardinal teras-Paracheirodon axelrodi. Cardinal Tetra-Information about all aspect of keeping and breeding Cardinal Tetras.
There are many species of tetras, however, and some of them are easier to spawn than othersâin fact many hobbyists have tetras spawning in their community tanks, though the fry seldom survive. Iâll cover the basic methods for spawning these fish and finish up with a quintet of tetras that are among the easiest. Most of the smaller tetra species from South America are not reluctant to lay eggs. Conditioning females does not require much more than a good supply of quality foods and decent water quality. Triggering pairs to spawn can be as easy as turning on the lights or doing a cool water change.